Calculator (3) Patents (Class D18/6)
With keyboard (Class D18/7)
Slide rule type (Class D18/9)
Housing or casing (Class D18/11)
  • Combination counter and tabulator for controlling food intake
    Patent number: D256027
    Type: Grant
    Filed: September 26, 1977
    Date of Patent: July 22, 1980
    Assignee: Teledyne Industries, Inc.
    Inventors: Spencer L. Mackay, Frederick G. Mackay, Allan B. Johnson
  • Printing device
    Patent number: D264978
    Type: Grant
    Filed: September 4, 1980
    Date of Patent: June 15, 1982
    Assignee: Oki Electric Industry Co., Ltd.
    Inventor: Toshiro Ohno
  • Contemporary rosary
    Patent number: D266369
    Type: Grant
    Filed: August 8, 1980
    Date of Patent: September 28, 1982
    Inventor: Mary Corigliano
  • Housing for an intercom or similar business machine
    Patent number: D266509
    Type: Grant
    Filed: February 25, 1980
    Date of Patent: October 12, 1982
    Inventor: Eric J. Marshall
  • Conversion device
    Patent number: D274180
    Type: Grant
    Filed: August 3, 1981
    Date of Patent: June 5, 1984
    Assignee: Avelino M. Mape
    Inventor: Romeo L. Llarena
  • Portable voting booth
    Patent number: D282375
    Type: Grant
    Filed: October 19, 1983
    Date of Patent: January 28, 1986
    Assignee: Veeder Industries Inc.
    Inventor: Richard G. Dolson
  • Abacus
    Patent number: D282669
    Type: Grant
    Filed: March 15, 1984
    Date of Patent: February 18, 1986
    Inventor: Carl S. Conlee, Jr.
  • Timer
    Patent number: D284454
    Type: Grant
    Filed: February 17, 1984
    Date of Patent: July 1, 1986
    Assignee: Dart Industries Inc.
    Inventors: Dan E. Gremonprez, William C. Cesaroni
  • Combined desktop abacus and electronic calculator
    Patent number: D284975
    Type: Grant
    Filed: August 7, 1984
    Date of Patent: August 5, 1986
    Inventor: Herbert Kwok
  • Combined fan, calculator, light and clock
    Patent number: D293714
    Type: Grant
    Filed: December 31, 1985
    Date of Patent: January 12, 1988
    Inventor: Hwa S. Jih
  • Combined portable radio receiver and calculator
    Patent number: D294572
    Type: Grant
    Filed: December 18, 1985
    Date of Patent: March 8, 1988
    Assignee: Casio Computer Co., Ltd.
    Inventor: Itsumi Ohzu
  • Combined portable radio receiver and calculator
    Patent number: D294573
    Type: Grant
    Filed: December 18, 1985
    Date of Patent: March 8, 1988
    Assignee: Casio Computer Co., Ltd.
    Inventor: Itsumi Ohzu
  • Electronic voting machine
    Patent number: D298143
    Type: Grant
    Filed: October 31, 1985
    Date of Patent: October 18, 1988
    Assignee: Carson Manufacturing Company, Inc.
    Inventor: William H. Carson
  • Portable computer terminal housing for accessing and inputting patient medical data
    Patent number: D303111
    Type: Grant
    Filed: November 18, 1985
    Date of Patent: August 29, 1989
    Assignee: American Telephone and Telegraph Company, AT&T Bell Laboratories
    Inventor: Steven J. Paley
  • Electronic calculator
    Patent number: D303539
    Type: Grant
    Filed: November 21, 1986
    Date of Patent: September 19, 1989
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Hiroshi Sakaguchi, Katsuhiro Iida, Toshiya Takahashi
  • Pocket calculator
    Patent number: D306456
    Type: Grant
    Filed: July 27, 1987
    Date of Patent: March 6, 1990
    Assignee: Dah Sun Electronics Company Limited
    Inventor: Chi H. D. Chan
  • Calculator
    Patent number: D314786
    Type: Grant
    Filed: January 19, 1988
    Date of Patent: February 19, 1991
    Assignee: Datel Electrocraft Corp.
    Inventor: Chiu Y. Chen
  • Electronic calculator
    Patent number: D317777
    Type: Grant
    Filed: June 14, 1988
    Date of Patent: June 25, 1991
    Assignee: Sharp Corporation
    Inventors: Hiroshi Sakaguchi, Keiichi Koyama
  • Calculator housing or similar article
    Patent number: D318869
    Type: Grant
    Filed: May 10, 1988
    Date of Patent: August 6, 1991
    Assignee: Zelco Industries, Inc.
    Inventor: Donald J. Booty, Jr.
  • Voting machine
    Patent number: D319459
    Type: Grant
    Filed: August 31, 1988
    Date of Patent: August 27, 1991
    Assignee: Sequoia Pacific Systems Corporation
    Inventors: James H. Bleck, Scott H. Wakefield, Stephen A. Wagner
  • Golf calculator
    Patent number: D322450
    Type: Grant
    Filed: February 24, 1989
    Date of Patent: December 17, 1991
    Inventor: William F. Smith, Sr.
  • Combined portable automated teller machine and foldable checkbook
    Patent number: D324378
    Type: Grant
    Filed: November 30, 1989
    Date of Patent: March 3, 1992
    Assignee: National Transaction Network
    Inventor: Timothy J. H. Poupore
  • Calculator
    Patent number: D326471
    Type: Grant
    Filed: October 24, 1990
    Date of Patent: May 26, 1992
    Assignee: Datel Electrocraft Corporation
    Inventor: Chiu-Yuan Chen
  • Electronic calculator
    Patent number: D328091
    Type: Grant
    Filed: February 1, 1990
    Date of Patent: July 21, 1992
    Assignee: Casio Computer Co., Ltd.
    Inventor: Kenji Takahata
  • Calculator for a shopping cart
    Patent number: D328607
    Type: Grant
    Filed: September 18, 1990
    Date of Patent: August 11, 1992
    Assignee: ADDvantage Media Group, Inc.
    Inventor: Mike G. Brennan
  • Portable telephone talking calculator
    Patent number: D329049
    Type: Grant
    Filed: December 19, 1990
    Date of Patent: September 1, 1992
    Assignee: Pollyflame International B.V.
    Inventor: Richard F. M. Peersmann
  • Calculator
    Patent number: D329451
    Type: Grant
    Filed: October 19, 1990
    Date of Patent: September 15, 1992
    Assignee: Alcraft, Inc.
    Inventors: Michael Chen, Chiou-Shing Chen
  • Calculator
    Patent number: D332961
    Type: Grant
    Filed: March 8, 1990
    Date of Patent: February 2, 1993
    Assignee: Pollyflame International B.V.
    Inventor: Richard Peersmann
  • Multi-function programmable electronic calculator
    Patent number: D334020
    Type: Grant
    Filed: May 30, 1990
    Date of Patent: March 16, 1993
    Assignee: Casio Computer Co., Ltd.
    Inventor: Kenji Takahata
  • Calculator with cutter
    Patent number: D339603
    Type: Grant
    Filed: March 16, 1992
    Date of Patent: September 21, 1993
    Inventor: Steve S. Chen
  • Calculator
    Patent number: D340255
    Type: Grant
    Filed: January 15, 1992
    Date of Patent: October 12, 1993
    Inventor: Chi-Wing A. Yip
  • Calculator
    Patent number: D343187
    Type: Grant
    Filed: April 17, 1992
    Date of Patent: January 11, 1994
    Assignee: Franklin Quest, Co.
    Inventors: Dennis R. Webb, Jana S. Buchanan
  • Hand-held calorie computer
    Patent number: D344535
    Type: Grant
    Filed: June 1, 1993
    Date of Patent: February 22, 1994
    Assignee: Muscle Dynamics Fitness Network, Inc.
    Inventors: James F. Caruso, Thomas Bajek, Kurt T. Peterson
  • Label printer
    Patent number: D344536
    Type: Grant
    Filed: March 16, 1992
    Date of Patent: February 22, 1994
    Assignee: Seiko Instruments U.S.A., Inc.
    Inventors: David Lee, John von Buelow
  • Combination calculator and clock
    Patent number: D345757
    Type: Grant
    Filed: April 17, 1992
    Date of Patent: April 5, 1994
    Assignee: Franklin Quest, Company
    Inventors: Dennis R. Webb, Jana S. Buchanan
  • Clip-on calculator
    Patent number: D348897
    Type: Grant
    Filed: February 8, 1991
    Date of Patent: July 19, 1994
    Inventor: Mark A. Bedol
  • Electronic calculator
    Patent number: D350148
    Type: Grant
    Filed: August 19, 1992
    Date of Patent: August 30, 1994
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Takahisa Yubisui, Makiko Yoshimura