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Patents
Printing And Office Machinery Patents
Typewriter Or Calculator Patents
Calculator (3) Patents
With Keyboard Patents (Class D18/7)
With Keyboard Patents (Class D18/7)
With carriage (Class D18/8)
Horse race analyzer or similar article
Patent number:
D268186
Type:
Grant
Filed:
November 4, 1980
Date of Patent:
March 8, 1983
Assignee:
Mattel, Inc.
Inventors:
Evan W. Mandel, Edward Mayer
Electronic calculator
Patent number:
D268346
Type:
Grant
Filed:
December 30, 1980
Date of Patent:
March 22, 1983
Assignee:
Sharp Corporation
Inventor:
Yoshiaki Kobayashi
Electronic cash register
Patent number:
D268420
Type:
Grant
Filed:
July 8, 1980
Date of Patent:
March 29, 1983
Assignee:
Sharp Corporation
Inventors:
Junichi Sakamoto, Harumi Tatsugami, Yoshihisa Ohie
Desk-top electronic calculator
Patent number:
D268421
Type:
Grant
Filed:
December 3, 1980
Date of Patent:
March 29, 1983
Assignee:
Canon Kabushiki Kaisha
Inventors:
Takashi Hirata, Hideo Fushimoto
Electronic calculator
Patent number:
D268422
Type:
Grant
Filed:
December 11, 1980
Date of Patent:
March 29, 1983
Assignee:
Canon Kabushiki Kaisha
Inventors:
Eiichi Yoshioka, Osamu Murakami
Electronic calculator
Patent number:
D268423
Type:
Grant
Filed:
December 11, 1980
Date of Patent:
March 29, 1983
Assignee:
Canon Kabushiki Kaisha
Inventors:
Eiichi Yoshioka, Kaname Suwa
Telephone controller or similar article
Patent number:
D268934
Type:
Grant
Filed:
January 21, 1981
Date of Patent:
May 10, 1983
Assignee:
Dictograph Manufacturing Corp.
Inventor:
Robert W. Walton
Electronic calculator
Patent number:
D269276
Type:
Grant
Filed:
June 22, 1981
Date of Patent:
June 7, 1983
Assignee:
Sharp Corporation
Inventors:
Masaji Sawada, Harumi Sakamoto
Desk-top electronic calculator
Patent number:
D269277
Type:
Grant
Filed:
September 28, 1981
Date of Patent:
June 7, 1983
Assignee:
Canon Kabushiki Kaisha
Inventors:
Eiichi Yoshioka, Osamu Murakami, Kaname Suwa
Desk-top electronic calculator
Patent number:
D269278
Type:
Grant
Filed:
September 28, 1981
Date of Patent:
June 7, 1983
Assignee:
Canon Kabushiki Kaisha
Inventors:
Eiichi Yoshioka, Kazuhiro Arakawa
Desk-top electronic calculator
Patent number:
D269279
Type:
Grant
Filed:
October 9, 1981
Date of Patent:
June 7, 1983
Assignee:
Canon Kabushiki Kaisha
Inventors:
Junji Hirooka, Hideo Fushimoto
Electronic calculator with electronic musical instrument and timepiece
Patent number:
D269353
Type:
Grant
Filed:
June 22, 1981
Date of Patent:
June 14, 1983
Assignee:
Sharp Corporation
Inventor:
Shinichi Yokoyama
Electronic calculator
Patent number:
D269354
Type:
Grant
Filed:
March 17, 1981
Date of Patent:
June 14, 1983
Assignee:
Sharp Corporation
Inventor:
Katsuhiro Ishida
Electronic calculator
Patent number:
D269355
Type:
Grant
Filed:
September 2, 1981
Date of Patent:
June 14, 1983
Assignee:
Sharp Corporation
Inventor:
Masafumi Yamagami
Desk top electronic calculator
Patent number:
D269356
Type:
Grant
Filed:
September 15, 1981
Date of Patent:
June 14, 1983
Assignee:
Canon Kabushiki Kaisha
Inventors:
Eiichi Yoshioka, Kaname Suwa, Masumi Ishiwatari
Electronic translator
Patent number:
D269442
Type:
Grant
Filed:
June 9, 1980
Date of Patent:
June 21, 1983
Assignee:
Matsushita Electric Industrial Co.
Inventors:
Iwao Nakajima, Kazumasa Takenaka
Case for teletype interface
Patent number:
D269614
Type:
Grant
Filed:
February 17, 1981
Date of Patent:
July 5, 1983
Assignee:
CHAT Corporation
Inventor:
John M. Murphy
Electronic calculator
Patent number:
D269624
Type:
Grant
Filed:
September 15, 1981
Date of Patent:
July 5, 1983
Assignee:
Sharp Corporation
Inventor:
Keiji Sakata
Electronic translator
Patent number:
D269875
Type:
Grant
Filed:
April 24, 1981
Date of Patent:
July 26, 1983
Assignee:
Sharp Corporation
Inventor:
Katsuhiro Ishida
Electronic calculator
Patent number:
D270646
Type:
Grant
Filed:
July 10, 1981
Date of Patent:
September 20, 1983
Assignee:
Sharp Corporation
Inventor:
Keiji Sakata
Teleprinter keyboard
Patent number:
D272624
Type:
Grant
Filed:
November 23, 1981
Date of Patent:
February 14, 1984
Assignee:
Teletype Corporation
Inventors:
Donald M. Genaro, Alvin R. Tilley
Desk-top electronic calculator
Patent number:
D273118
Type:
Grant
Filed:
November 30, 1981
Date of Patent:
March 20, 1984
Assignee:
Canon Kabushiki Kaisha
Inventors:
Takashi Hirata, Hideo Fushimoto
Calculator with printer
Patent number:
D273199
Type:
Grant
Filed:
March 24, 1982
Date of Patent:
March 27, 1984
Assignee:
Sharp Corporation
Inventor:
Masaji Sawada
Electronic calculator with solar batteries
Patent number:
D273200
Type:
Grant
Filed:
December 23, 1981
Date of Patent:
March 27, 1984
Assignee:
Sharp Corporation
Inventor:
Keiji Sakata
Electronic calculator
Patent number:
D273201
Type:
Grant
Filed:
December 23, 1981
Date of Patent:
March 27, 1984
Assignee:
Sharp Corporation
Inventor:
Keiji Sakata
Electronic calculator with solar batteries
Patent number:
D273301
Type:
Grant
Filed:
December 14, 1981
Date of Patent:
April 3, 1984
Assignee:
Sharp Corporation
Inventor:
Masaji Sawada
Electronic calculator
Patent number:
D273302
Type:
Grant
Filed:
December 14, 1981
Date of Patent:
April 3, 1984
Assignee:
Sharp Corporation
Inventor:
Masaji Sawada
Electronic calculator
Patent number:
D273303
Type:
Grant
Filed:
December 14, 1981
Date of Patent:
April 3, 1984
Assignee:
Sharp Corporation
Inventor:
Harumi Sakamoto
Electronic calculator
Patent number:
D273304
Type:
Grant
Filed:
February 24, 1982
Date of Patent:
April 3, 1984
Assignee:
Sharp Corporation
Inventor:
Keiji Sakata
Electronic calculator
Patent number:
D273305
Type:
Grant
Filed:
April 21, 1982
Date of Patent:
April 3, 1984
Assignee:
Sharp Corporation
Inventor:
Shigeru Kurozumi
Electronic calculator
Patent number:
D273306
Type:
Grant
Filed:
June 18, 1982
Date of Patent:
April 3, 1984
Assignee:
Sharp Corporation
Inventors:
Masafumi Yamagami, Keiji Sakata
Electronic calculator
Patent number:
D273307
Type:
Grant
Filed:
June 18, 1982
Date of Patent:
April 3, 1984
Assignee:
Sharp Corporation
Inventor:
Masafumi Yamagami
Electronic calculator
Patent number:
D273392
Type:
Grant
Filed:
March 24, 1982
Date of Patent:
April 10, 1984
Assignee:
Sharp Corporation
Inventor:
Keiji Sakata
Electronic calculator
Patent number:
D273393
Type:
Grant
Filed:
May 3, 1982
Date of Patent:
April 10, 1984
Assignee:
Sharp Corporation
Inventor:
Harumi Sakamoto
Electronic calculator
Patent number:
D273502
Type:
Grant
Filed:
February 22, 1982
Date of Patent:
April 17, 1984
Assignee:
Sharp Corporation
Inventor:
Keiji Sakata
Electronic calculator
Patent number:
D273593
Type:
Grant
Filed:
December 14, 1981
Date of Patent:
April 24, 1984
Assignee:
Sharp Corporation
Inventor:
Harumi Sakamoto
Electronic calculator
Patent number:
D273795
Type:
Grant
Filed:
June 16, 1981
Date of Patent:
May 8, 1984
Assignee:
Sharp Corporation
Inventor:
Masafumi Yamagami
Combined electronic calculator and checkbook
Patent number:
D274179
Type:
Grant
Filed:
February 4, 1981
Date of Patent:
June 5, 1984
Inventor:
John T. Siwula
Electronic calculator
Patent number:
D274439
Type:
Grant
Filed:
March 24, 1982
Date of Patent:
June 26, 1984
Assignee:
Sharp Corporation
Inventors:
Keiji Sakata, Masafumi Yamagami
Portable personal information device with calendar-clock
Patent number:
D274798
Type:
Grant
Filed:
February 1, 1982
Date of Patent:
July 24, 1984
Assignee:
Design Dimensions, Ltd.
Inventors:
Gary J. O'Hara, Evelyn S. Madlener
Electronic calculator
Patent number:
D274822
Type:
Grant
Filed:
June 18, 1984
Date of Patent:
July 24, 1984
Assignee:
Sharp Corporation
Inventors:
Masafumi Yamagami, Keiji Sakata
Keyboard-equipped arithmetic operation control machine for electronic computers
Patent number:
D275009
Type:
Grant
Filed:
March 15, 1982
Date of Patent:
August 7, 1984
Assignee:
Tokyo Shibaura Denki Kabushiki Kaisha
Inventor:
Mikio Shibata
Combined telephone inter communication and automatic telephone dialing device
Patent number:
D275753
Type:
Grant
Filed:
March 9, 1982
Date of Patent:
October 2, 1984
Assignee:
Mitel Corporation
Inventor:
John A. Mahan
Electronic calculator
Patent number:
D275768
Type:
Grant
Filed:
March 15, 1982
Date of Patent:
October 2, 1984
Assignee:
Sharp Corporation
Inventor:
Masaji Sawada
Electronic calculator
Patent number:
D275769
Type:
Grant
Filed:
March 15, 1982
Date of Patent:
October 2, 1984
Assignee:
Sharp Corporation
Inventor:
Kazuo Yamada
Electronic calculator
Patent number:
D275770
Type:
Grant
Filed:
March 15, 1982
Date of Patent:
October 2, 1984
Assignee:
Sharp Corporation
Inventor:
Kazuo Yamada
Scoring machine for playing the card game of gin
Patent number:
D275937
Type:
Grant
Filed:
September 8, 1981
Date of Patent:
October 16, 1984
Inventor:
Marvin Lederman
Insurance calculator
Patent number:
D276053
Type:
Grant
Filed:
September 17, 1982
Date of Patent:
October 23, 1984
Inventors:
William F. Boehle, Michael J. Heiter
Electronic calculator
Patent number:
D276242
Type:
Grant
Filed:
January 29, 1982
Date of Patent:
November 6, 1984
Assignee:
Sharp Corporation
Inventor:
Harumi Sakamoto
Chewing tobacco lid calculator
Patent number:
D276535
Type:
Grant
Filed:
October 4, 1982
Date of Patent:
November 27, 1984
Inventor:
Carl Seifert
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