Intercom (7) Patents (Class D14/159)
  • Electronic door message system
    Patent number: D440548
    Type: Grant
    Filed: February 18, 2000
    Date of Patent: April 17, 2001
    Inventors: Nigel Kersh, Bhikhu A Unvala
  • Unit for conferencing system
    Patent number: D450308
    Type: Grant
    Filed: October 17, 2000
    Date of Patent: November 13, 2001
    Assignee: U.S. Philips Corporation
    Inventor: Arjen Hans Benders
  • Electronic sound recording and reproducing device for a baby
    Patent number: D465469
    Type: Grant
    Filed: November 6, 2001
    Date of Patent: November 12, 2002
    Assignee: Koninklijke Philips Electronics N.V.
    Inventor: Stephen Robert Heath
  • Interphone
    Patent number: D466099
    Type: Grant
    Filed: October 1, 2001
    Date of Patent: November 26, 2002
    Assignee: Aiphone Co., Ltd.
    Inventors: Hiroshi Matsui, Toshio Hotta
  • Interphone
    Patent number: D466491
    Type: Grant
    Filed: October 1, 2001
    Date of Patent: December 3, 2002
    Assignee: Aiphone Co., Ltd.
    Inventors: Hiroshi Matsui, Toshio Hotta
  • Interphone
    Patent number: D466882
    Type: Grant
    Filed: October 1, 2001
    Date of Patent: December 10, 2002
    Assignee: Aiphone Co., Ltd.
    Inventors: Hiroshi Matsui, Toshio Hotta
  • Interphone
    Patent number: D466883
    Type: Grant
    Filed: October 1, 2001
    Date of Patent: December 10, 2002
    Assignee: Aiphone Co., Ltd.
    Inventors: Hiroshi Matsui, Toshio Hotta
  • Enclosure box for large display entry system
    Patent number: D469420
    Type: Grant
    Filed: August 6, 2001
    Date of Patent: January 28, 2003
    Assignee: Elite Entry Phone
    Inventor: Walter Parsadayan
  • Speaker box
    Patent number: D324864
    Type: Grant
    Filed: March 27, 1990
    Date of Patent: March 24, 1992
    Assignee: Walt Disney Computer Software, Inc.
    Inventor: Roger D. Hector
  • Calculator
    Patent number: D329450
    Type: Grant
    Filed: September 25, 1990
    Date of Patent: September 15, 1992
    Assignee: Ta Triumph-Adler
    Inventors: Klaus-Diether Krause, Florian Stolzenberger
  • Conference box
    Patent number: D331054
    Type: Grant
    Filed: September 28, 1989
    Date of Patent: November 17, 1992
    Inventor: Helmut Brahler
  • Speaker and control panel for an intercom
    Patent number: D332100
    Type: Grant
    Filed: March 6, 1990
    Date of Patent: December 29, 1992
    Assignee: Harris Corporation
    Inventors: Allan J. Blattner, Lawrence G. McCain
  • Baby monitor transmitter
    Patent number: D339136
    Type: Grant
    Filed: September 4, 1991
    Date of Patent: September 7, 1993
    Assignee: Gerry Baby Products Company
    Inventors: Roy E. Knoedler, Ted F. Kelley, Jack W. Renforth
  • Baby monitor receiver
    Patent number: D340928
    Type: Grant
    Filed: September 3, 1991
    Date of Patent: November 2, 1993
    Assignee: Gerry Baby Products Company
    Inventors: Roy E. Knoedler, Ted F. Kelley, Jack W. Renforth
  • Paging amplifier console
    Patent number: D341593
    Type: Grant
    Filed: January 2, 1991
    Date of Patent: November 23, 1993
    Assignee: CES Corporation
    Inventor: William Chang
  • Transceiver module for a table-top teleconferencing system
    Patent number: D346598
    Type: Grant
    Filed: April 28, 1992
    Date of Patent: May 3, 1994
    Assignee: Coherent Communications Systems Corporation
    Inventors: James McCay, Jeremy F. Skene, Steven Vordenberg
  • Portable audio baby monitor receiver
    Patent number: D346756
    Type: Grant
    Filed: February 5, 1992
    Date of Patent: May 10, 1994
    Inventor: Mark A. Grasso
  • Monitor transmitter
    Patent number: D347218
    Type: Grant
    Filed: April 27, 1992
    Date of Patent: May 24, 1994
    Assignee: Fisher-Price, Inc.
    Inventor: Eric T. Shuler
  • Monitor receiver
    Patent number: D348879
    Type: Grant
    Filed: April 27, 1992
    Date of Patent: July 19, 1994
    Assignee: Fisher-Price, Inc.
    Inventor: Eric T. Shuler
  • Delegate unit for conference system
    Patent number: D349284
    Type: Grant
    Filed: November 13, 1992
    Date of Patent: August 2, 1994
    Assignee: U.S. Philips Corporation
    Inventor: Johannes G. Robertus
  • Chairman unit for conference system
    Patent number: D349285
    Type: Grant
    Filed: November 13, 1992
    Date of Patent: August 2, 1994
    Assignee: U.S. Philips Corporation
    Inventor: Johannes G. Robertus
  • Interpreter unit for conference system
    Patent number: D349286
    Type: Grant
    Filed: November 13, 1992
    Date of Patent: August 2, 1994
    Assignee: U.S. Philips Corporation
    Inventor: Johannes G. Robertus
  • Baby monitor receiver
    Patent number: D355385
    Type: Grant
    Filed: May 17, 1994
    Date of Patent: February 14, 1995
    Assignee: Safety 1st, Inc.
    Inventor: Randy L. Abrams
  • Transceiver module for a table-top teleconferencing system
    Patent number: D355416
    Type: Grant
    Filed: February 14, 1994
    Date of Patent: February 14, 1995
    Assignee: Coherent Communications Systems Corporation
    Inventors: James McCay, Jeremy F. Skene, Steven Vordenberg
  • Monitor wrist receiver
    Patent number: D359700
    Type: Grant
    Filed: May 27, 1994
    Date of Patent: June 27, 1995
    Assignee: Safety 1st, Inc.
    Inventor: Randy L. Abrams
  • Baby monitor transmitter
    Patent number: D365562
    Type: Grant
    Filed: June 30, 1994
    Date of Patent: December 26, 1995
    Assignee: Safety 1st, Inc.
    Inventor: Randy L. Abrams
  • Baby monitor transmitter
    Patent number: D371779
    Type: Grant
    Filed: January 20, 1995
    Date of Patent: July 16, 1996
    Assignee: The First Years Inc.
    Inventors: Ralph M. Nowak, Bruce P. Popek
  • Baby monitor receiver
    Patent number: D371781
    Type: Grant
    Filed: January 20, 1995
    Date of Patent: July 16, 1996
    Assignee: Kiddie Products, Inc.
    Inventors: Ralph M. Nowak, Bruce P. Popek
  • Intercom unit
    Patent number: D371784
    Type: Grant
    Filed: June 15, 1995
    Date of Patent: July 16, 1996
    Assignee: Greyfield Industries, Inc.
    Inventor: Jonathan Gertz
  • Radio communicator
    Patent number: D375097
    Type: Grant
    Filed: August 14, 1995
    Date of Patent: October 29, 1996
    Assignee: Universal Security Instruments, Inc.
    Inventor: Michael L. Kovens
  • Baby monitor transmitter
    Patent number: D376764
    Type: Grant
    Filed: November 2, 1995
    Date of Patent: December 24, 1996
    Assignee: Gerry Baby Products Company
    Inventor: Blair S. Barnes
  • Baby monitor receiver
    Patent number: D376765
    Type: Grant
    Filed: November 6, 1995
    Date of Patent: December 24, 1996
    Assignee: Gerry Baby Products Company
    Inventor: Blair S. Barnes
  • Housing for a nursery monitor
    Patent number: D385559
    Type: Grant
    Filed: July 15, 1996
    Date of Patent: October 28, 1997
    Assignee: BRK Brands, Inc.
    Inventors: Ann Marie Conrado, Michael C. Thuma, Craig S. Scherer, Brian Woodward
  • Baby monitor transmitter
    Patent number: D386104
    Type: Grant
    Filed: October 25, 1996
    Date of Patent: November 11, 1997
    Assignee: The First Years Inc.
    Inventor: Ralph M. Nowak
  • Baby monitor receiver
    Patent number: D386703
    Type: Grant
    Filed: October 25, 1996
    Date of Patent: November 25, 1997
    Assignee: The First Years Inc.
    Inventor: Ralph M. Nowak
  • Combined transmitter and receiver for locating lost children
    Patent number: D391510
    Type: Grant
    Filed: June 12, 1997
    Date of Patent: March 3, 1998
    Inventors: Domenic Leo, Oxana Leo
  • Control panel for an access control system
    Patent number: D394435
    Type: Grant
    Filed: June 14, 1996
    Date of Patent: May 19, 1998
    Assignee: Elite Entry Phone Corporation
    Inventors: Alex Parsadayan, Walter Parsadayan
  • Receiver for a baby monitor
    Patent number: D394652
    Type: Grant
    Filed: October 25, 1996
    Date of Patent: May 26, 1998
    Assignee: Graco Children's Products Inc.
    Inventor: Jeff G. Greger
  • Intercom sub-station
    Patent number: D394653
    Type: Grant
    Filed: December 27, 1996
    Date of Patent: May 26, 1998
    Assignee: Aiphone Co., Ltd.
    Inventors: Tetuaki Kato, Toshio Hotta
  • Intercom master station
    Patent number: D394656
    Type: Grant
    Filed: December 25, 1996
    Date of Patent: May 26, 1998
    Assignee: Aiphone Co., Ltd.
    Inventors: Tetuaki Kato, Toshio Hotta
  • Transmitter for a baby monitor
    Patent number: D398303
    Type: Grant
    Filed: October 25, 1996
    Date of Patent: September 15, 1998
    Assignee: Graco Children's Products Inc.
    Inventor: Jeff G. Greger
  • Home intercom unit
    Patent number: D399203
    Type: Grant
    Filed: July 1, 1997
    Date of Patent: October 6, 1998
    Assignee: Thomson Consumer Electronics, Inc.
    Inventor: Thomas E. Renk, Jr.
  • Transmitter
    Patent number: D409511
    Type: Grant
    Filed: May 22, 1998
    Date of Patent: May 11, 1999
    Assignee: KinderTec Limited
    Inventors: David Michael Ames, Kerrin Maurice Lyons
  • Receiver
    Patent number: D410205
    Type: Grant
    Filed: May 22, 1998
    Date of Patent: May 25, 1999
    Assignee: KinderTec Limited
    Inventors: David Michael Ames, Kerrin Maurice Lyons
  • Sound transmitting device
    Patent number: D424560
    Type: Grant
    Filed: February 1, 1999
    Date of Patent: May 9, 2000
    Assignee: U.S. Philips Corporation
    Inventor: Stephen Robert Heath
  • Sound receiving device
    Patent number: D424561
    Type: Grant
    Filed: February 1, 1999
    Date of Patent: May 9, 2000
    Assignee: U.S. Philips Corporation
    Inventor: Stephen Robert Heath
  • Monitor
    Patent number: D424958
    Type: Grant
    Filed: April 16, 1999
    Date of Patent: May 16, 2000
    Assignee: The First Years, Inc.
    Inventor: Ralph M. Nowak
  • Wireless conference apparatus
    Patent number: D429231
    Type: Grant
    Filed: July 9, 1999
    Date of Patent: August 8, 2000
    Assignee: Close Talk AB
    Inventor: Martin Johnsson
  • Monitor
    Patent number: D430052
    Type: Grant
    Filed: April 16, 1999
    Date of Patent: August 29, 2000
    Assignee: The First Years Inc.
    Inventor: Ralph M. Nowak
  • Receiver
    Patent number: D430546
    Type: Grant
    Filed: March 24, 1998
    Date of Patent: September 5, 2000
    Assignee: Square Peg Communications Inc.
    Inventor: J. Scott Gibson