Intercom (7) Patents (Class D14/159)
  • Hands-free intercommunication instrument
    Patent number: D305121
    Type: Grant
    Filed: August 16, 1988
    Date of Patent: December 19, 1989
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Herbert Pfeifer, Paul Montgomery, Dan Sturges
  • Speech module for an intercommunication system
    Patent number: D307273
    Type: Grant
    Filed: November 12, 1987
    Date of Patent: April 17, 1990
    Assignee: Tunstall Telecom Limited
    Inventor: Martin F. Carlile
  • Base station
    Patent number: D307587
    Type: Grant
    Filed: February 18, 1987
    Date of Patent: May 1, 1990
    Inventor: Benjamin F. Marcune
  • Monitor transmitter
    Patent number: D310218
    Type: Grant
    Filed: October 11, 1988
    Date of Patent: August 28, 1990
    Assignee: The Quaker Oats Company
    Inventor: Patrick J. Murphy
  • Master unit for an intercommunication system
    Patent number: D310219
    Type: Grant
    Filed: November 12, 1987
    Date of Patent: August 28, 1990
    Assignee: Tunstall Telecom Limited
    Inventor: Martin F. Carlile
  • Monitor receiver
    Patent number: D310664
    Type: Grant
    Filed: October 11, 1988
    Date of Patent: September 18, 1990
    Assignee: The Quaker Oats Company
    Inventor: Patrick J. Murphy
  • External unit for intercom
    Patent number: D313592
    Type: Grant
    Filed: January 26, 1988
    Date of Patent: January 8, 1991
    Assignee: Sharp Corporation
    Inventor: Shinichi Morooka
  • Outside unit for intercom
    Patent number: D313593
    Type: Grant
    Filed: January 27, 1988
    Date of Patent: January 8, 1991
    Assignee: Sharp Corporation
    Inventor: Shinichi Morooka
  • External unit for intercom
    Patent number: D313594
    Type: Grant
    Filed: January 26, 1988
    Date of Patent: January 8, 1991
    Assignee: Sharp Corporation
    Inventor: Shinichi Morooka
  • Inside unit for intercom
    Patent number: D313595
    Type: Grant
    Filed: January 27, 1988
    Date of Patent: January 8, 1991
    Assignee: Sharp Corporation
    Inventor: Shinichi Morooka
  • Keyboard for staff locator systems
    Patent number: D316549
    Type: Grant
    Filed: April 19, 1988
    Date of Patent: April 30, 1991
    Assignee: Tateco AB
    Inventor: Jan E. H. Hampf
  • Intercommunications unit
    Patent number: D321686
    Type: Grant
    Filed: October 10, 1989
    Date of Patent: November 19, 1991
    Assignee: B.P.T. S.p.A.
    Inventor: Lisio Plozner
  • 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