With Keyboard Patents (Class D18/7)
With carriage (Class D18/8)
  • Calculator or similar article
    Patent number: D307594
    Type: Grant
    Filed: December 21, 1987
    Date of Patent: May 1, 1990
    Assignee: Cal-Comp Electronics, Inc.
    Inventor: Ray Chen
  • Electronic calculator
    Patent number: D307595
    Type: Grant
    Filed: October 10, 1986
    Date of Patent: May 1, 1990
    Assignee: Sharp Corporation
    Inventors: Takahisa Yubisui, Hiroshi Sakaguchi, Mieko Harada
  • Programming device for sequence controller
    Patent number: D307888
    Type: Grant
    Filed: April 12, 1988
    Date of Patent: May 15, 1990
    Assignee: Sharp Corporation
    Inventor: Katsuhiro Ishida
  • Hand held data entry terminal
    Patent number: D307890
    Type: Grant
    Filed: December 21, 1988
    Date of Patent: May 15, 1990
    Assignee: Spectrum Concepts, Inc.
    Inventor: Young Kim
  • Calculator or similar article
    Patent number: D307917
    Type: Grant
    Filed: December 21, 1987
    Date of Patent: May 15, 1990
    Assignee: Cal-Comp Electronics, Inc.
    Inventor: Ray Chen
  • Handheld reference computer
    Patent number: D308049
    Type: Grant
    Filed: March 7, 1988
    Date of Patent: May 22, 1990
    Inventor: Carol J. Dennett
  • Electronic calculator
    Patent number: D308391
    Type: Grant
    Filed: January 28, 1987
    Date of Patent: June 5, 1990
    Assignee: Sharp Corporation
    Inventors: Hiroshi Sakaguchi, Katsuhiro Iida
  • Electronic calculator with printer
    Patent number: D308532
    Type: Grant
    Filed: October 27, 1987
    Date of Patent: June 12, 1990
    Assignee: Sharp Corporation
    Inventors: Hiroshi Sakaguchi, Masaki Kawamura
  • Electronic calculator with printer
    Patent number: D308533
    Type: Grant
    Filed: November 17, 1987
    Date of Patent: June 12, 1990
    Assignee: Sharp Corporation
    Inventors: Hiroshi Sakaguchi, Masaki Kawamura
  • Electronic calculator
    Patent number: D308534
    Type: Grant
    Filed: December 9, 1987
    Date of Patent: June 12, 1990
    Assignee: Sharp Corporation
    Inventors: Masaji Sawada, Katsuhiro Iida, Toshiya Takahashi
  • Electronic calculator with telephone dialer
    Patent number: D308536
    Type: Grant
    Filed: June 4, 1987
    Date of Patent: June 12, 1990
    Assignee: Casio Computer Co., Ltd.
    Inventor: Thoru Suzuki
  • Electronic calculator
    Patent number: D308692
    Type: Grant
    Filed: October 27, 1987
    Date of Patent: June 19, 1990
    Assignee: Sharp Corporation
    Inventors: Hiroshi Sakaguchi, Masaki Kawamura
  • Electronic calculator with solar cell
    Patent number: D308693
    Type: Grant
    Filed: April 30, 1987
    Date of Patent: June 19, 1990
    Assignee: Sharp Corporation
    Inventors: Hiroshi Sakaguchi, Katsuhiro Iida
  • Electronic calculator with memorandum function
    Patent number: D308883
    Type: Grant
    Filed: November 30, 1987
    Date of Patent: June 26, 1990
    Assignee: Sharp Corporation
    Inventors: Hiroshi Sakaguchi, Tadahiko Saimen
  • Data input/output terminal
    Patent number: D308964
    Type: Grant
    Filed: February 16, 1988
    Date of Patent: July 3, 1990
    Inventor: Donald A. Deakins
  • Calculator
    Patent number: D308984
    Type: Grant
    Filed: November 6, 1986
    Date of Patent: July 3, 1990
    Inventor: William H. K. Chu
  • Electronic calculator with printer
    Patent number: D308985
    Type: Grant
    Filed: December 28, 1987
    Date of Patent: July 3, 1990
    Assignee: Sharp Corporation
    Inventors: Masaji Sawada, Katsuhiro Iida
  • Calculator case
    Patent number: D308986
    Type: Grant
    Filed: October 13, 1987
    Date of Patent: July 3, 1990
    Assignee: Monroe Systems For Business, Inc.
    Inventors: Joseph C. Sereika, Terry L. Barner, Thomas Perelli
  • Electronic calculator with printer
    Patent number: D309152
    Type: Grant
    Filed: April 30, 1987
    Date of Patent: July 10, 1990
    Assignee: Sharp Corporation
    Inventors: Hiroshi Sakaguchi, Yoko Ikuzawa
  • Electronic calculator
    Patent number: D309153
    Type: Grant
    Filed: September 9, 1987
    Date of Patent: July 10, 1990
    Assignee: Sharp Corporation
    Inventors: Masaji Sawada, Toshiya Takahashi
  • Electronic calculator with printer
    Patent number: D309470
    Type: Grant
    Filed: December 28, 1987
    Date of Patent: July 24, 1990
    Assignee: Sharp Corporation
    Inventors: Hiroshi Sakaguchi, Tadahiko Saimen
  • Calculator case
    Patent number: D309471
    Type: Grant
    Filed: October 13, 1987
    Date of Patent: July 24, 1990
    Assignee: Monroe Systems for Business, Inc.
    Inventors: Thomas Perelli, Joseph C. Sereika
  • Electronic memorandum input/output terminal
    Patent number: D309601
    Type: Grant
    Filed: August 24, 1988
    Date of Patent: July 31, 1990
    Assignee: Sharp Corporation
    Inventors: Masaji Sawada, Kuniyasu Matsumoto
  • Electronic calculator
    Patent number: D309623
    Type: Grant
    Filed: December 9, 1987
    Date of Patent: July 31, 1990
    Assignee: Sharp Corporation
    Inventors: Masaji Sawada, Katsuhiro Iida, Toshiya Takahashi
  • Electronic calculator
    Patent number: D309624
    Type: Grant
    Filed: October 10, 1986
    Date of Patent: July 31, 1990
    Assignee: Sharp Corporation
    Inventors: Takahisa Yubisui, Hiroshi Sakaguchi, Mieko Harada
  • Electronic calculator
    Patent number: D309625
    Type: Grant
    Filed: October 16, 1987
    Date of Patent: July 31, 1990
    Assignee: Sharp Corporation
    Inventors: Masaji Sawada, Toshiya Takahashi
  • Electronic calculator
    Patent number: D309626
    Type: Grant
    Filed: December 30, 1987
    Date of Patent: July 31, 1990
    Assignee: Sharp Corporation
    Inventors: Hiroshi Sakaguchi, Keiichi Koyama
  • Calculator
    Patent number: D309627
    Type: Grant
    Filed: January 8, 1987
    Date of Patent: July 31, 1990
    Inventor: William H. K. Chu
  • Calculator case
    Patent number: D309629
    Type: Grant
    Filed: October 13, 1987
    Date of Patent: July 31, 1990
    Assignee: Monroe Systems For Business, Inc.
    Inventors: Joseph C. Sereika, Terry L. Barner, Thomas Perelli
  • Data entry terminal
    Patent number: D309729
    Type: Grant
    Filed: August 26, 1988
    Date of Patent: August 7, 1990
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Zenya Tanabe
  • Electronic calculator with solar cell
    Patent number: D309747
    Type: Grant
    Filed: April 30, 1987
    Date of Patent: August 7, 1990
    Assignee: Sharp Corporation
    Inventors: Hiroshi Sakaguchi, Tadahiko Saimen
  • Electronic calculator
    Patent number: D309748
    Type: Grant
    Filed: June 15, 1987
    Date of Patent: August 7, 1990
    Assignee: Casio Computer Co., Ltd.
    Inventor: Naoki Kobayashi
  • Electronic calculator
    Patent number: D309749
    Type: Grant
    Filed: October 16, 1987
    Date of Patent: August 7, 1990
    Assignee: Casio Computer Co., Ltd.
    Inventor: Yukinori Ido
  • Electronic calculator
    Patent number: D309910
    Type: Grant
    Filed: April 6, 1987
    Date of Patent: August 14, 1990
    Assignee: Sharp Corporation
    Inventors: Hiroshi Sakaguchi, Toshiya Takahashi
  • Survey response terminal
    Patent number: D310069
    Type: Grant
    Filed: February 11, 1988
    Date of Patent: August 21, 1990
    Assignee: Quick Tally Systems
    Inventors: Holly Y. Leone, Eli Bleich
  • Electronic calculator with solar cell
    Patent number: D310093
    Type: Grant
    Filed: May 13, 1987
    Date of Patent: August 21, 1990
    Assignee: Sharp Corporation
    Inventors: Hiroshi Sakaguchi, Katsuhiro Iida
  • Electronic calculator
    Patent number: D310094
    Type: Grant
    Filed: May 19, 1987
    Date of Patent: August 21, 1990
    Assignee: Aurora Impex Corporation
    Inventor: Isoroku Noguchi
  • Electronic calculator
    Patent number: D310095
    Type: Grant
    Filed: May 19, 1987
    Date of Patent: August 21, 1990
    Assignee: Aurora Impex Corporation
    Inventor: Isoroku Noguchi
  • Electronic address book
    Patent number: D310543
    Type: Grant
    Filed: November 23, 1987
    Date of Patent: September 11, 1990
    Assignee: The McGregor Company
    Inventor: Toran S. Brown
  • Combined calculator and puzzle or similar article
    Patent number: D312093
    Type: Grant
    Filed: June 7, 1988
    Date of Patent: November 13, 1990
    Assignee: Limax Electronics Co., Inc.
    Inventor: Chih-Ming Wei
  • Electronic calculator with voice clock
    Patent number: D312831
    Type: Grant
    Filed: October 16, 1987
    Date of Patent: December 11, 1990
    Assignee: Sharp Corporation
    Inventors: Masaji Sawada, Katsuhiro Iida
  • Electronic calculator
    Patent number: D312833
    Type: Grant
    Filed: June 15, 1987
    Date of Patent: December 11, 1990
    Assignee: Casio Computer Co., Ltd.
    Inventor: Naoki Kobayashi
  • Electronic educational game
    Patent number: D313045
    Type: Grant
    Filed: February 22, 1988
    Date of Patent: December 18, 1990
    Assignee: Kabushiki Kaisa Hanzawa Corporation
    Inventor: Tsuneo Hanzawa
  • Auto calculator
    Patent number: D313243
    Type: Grant
    Filed: July 21, 1988
    Date of Patent: December 25, 1990
    Inventor: Sashidhar Chimalamarri
  • Data entry terminal
    Patent number: D313401
    Type: Grant
    Filed: February 25, 1988
    Date of Patent: January 1, 1991
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Zenya Tanabe
  • Electronic calculator
    Patent number: D314004
    Type: Grant
    Filed: April 20, 1987
    Date of Patent: January 22, 1991
    Assignee: Casio Computer Co., Ltd.
    Inventor: Yukihiko Ida
  • Electronic calculator
    Patent number: D314206
    Type: Grant
    Filed: April 20, 1987
    Date of Patent: January 29, 1991
    Assignee: Casio Computer Co., Ltd.
    Inventor: Yukinori Ido
  • Electronic calculator
    Patent number: D314207
    Type: Grant
    Filed: August 24, 1988
    Date of Patent: January 29, 1991
    Assignee: Casio Computer Co., Ltd.
    Inventor: Toru Suzuki
  • Electronic calculator
    Patent number: D314396
    Type: Grant
    Filed: August 11, 1988
    Date of Patent: February 5, 1991
    Assignee: Casio Computer Co., Ltd.
    Inventor: Masaki Hayashi
  • Electronic calculator
    Patent number: D314785
    Type: Grant
    Filed: April 30, 1987
    Date of Patent: February 19, 1991
    Assignee: Sharp Corporation
    Inventors: Hiroshi Sakaguchi, Katsuhiro Iida