Keyboard Patents

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A gallery of patents that describe technologies or illustrate designs relating to IBM and family keyboards, typewriters and keypunches. This includes keyswitch/actuator designs, ornamental designs (overall appearance), integrated pointing devices such as TrackPoints, and host systems such as PCs, laptops, terminals, consoles and electronic typewriters. All illustrations provided are from the patents themselves, which are believed to be within the public domain. A total of 112 patents have been recorded. The patent list is currently filtered to 7 patent(s).

U.S. Design Patent 278,063 (USD278063S)

A patent diagram depicting IBM's keyboard enclosure for a personal computer or the like from a front-left perspective

Applied 28 Jul 1982

Published 19 Mar 1985

Expired 19 Mar 1999

More info

Name	Keyboard enclosure for a personal computer or the like
Inventors	Edward Chamberlain, Tommy R. Hardy, Nicholas M. Leon, Peter J. Mendel, Michael H. Sharp
Assignees	IBM, IBM Information Products
Description	An ornamental design depicting an IBM Personal Computer Keyboard (Model F).

U.S. Design Patent 284,672 (USD284672S)

A patent drawing of IBM's typewriter from a front-on perspective

Applied 28 Nov 1984

Published 15 Jul 1986

Expired 15 Jul 2000

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Name	Typewriter
Inventors	Peter J. Mendel
Assignees	IBM Information Products
Description	An ornamental design depicting an IBM 6715 Actionwriter 1 electronic typewriter and its Model M based keyboard assembly.

U.S. Design Patent 284,671 (USD284671S)

Applied 29 Nov 1984

Published 15 Jul 1986

Expired 15 Jul 2000

More info

Name	Typewriter
Inventors	Peter J. Mendel
Assignees	IBM Information Products
Description	An ornamental design depicting the IBM 6770 Wheelwriter System and 6780 Quietwriter System electronic typewriters and the 6770/6780 System Movable Keyboard (Model M).

U.S. Design Patent 330,199 (USD330199S)

Applied 11 Oct 1989

Published 13 Oct 1992

Expired 13 Oct 2006

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Name	Computer keyboard
Inventors	Peter J. Mendel, Steven A. Silverstein
Assignees	IBM Information Products, Lexmark
Description	An ornamental design depicting the IBM Easy OPTIONS 101-Key Extended Keyboard (Model M1) and IBM Selectric Touch and Lexmark Streamlined Keyboards (Model M2).

U.S. Design Patent 328,606 (USD328606S)

Patent diagrams depicting all five versions of Lexmark's electronic typewriter from a front-right perspective

Applied 24 Oct 1991

Published 11 Aug 1992

Expired 11 Aug 2006

More info

Name	Electronic typewriter
Inventors	Peter J. Mendel, Ronald A. Smith, James P. Wang
Assignees	Lexmark
Description	A series of ornamental designs depicting the IBM Wheelwriter Series II electronic typewriter family from 1988 with their Model M based keyboard assemblies. Top row: 10, 30 and 50 or 70; bottom row: 3 and 6.

U.S. Design Patent 354,071 (USD354071S)

A patent diagram of Lexmark's typewriter from a front-left perspective

Applied 29 Apr 1993

Published 3 Jan 1995

Expired 3 Jan 2009

More info

Name	Typewriter
Inventors	Freddie M. Lawson, Peter J. Mendel, Steven A. Silverstein
Assignees	Lexmark
Description	An ornamental design depicting either an IBM Wheelwriter 1500 by Lexmark or Wheelwriter 3000 by Lexmark electronic typewriter with their Model M based keyboard assemblies.

U.S. Design Patent 362,434 (USD362434S)

A patent photo of IBM's adjustable keyboard for a personal computer from a front-left perspective

Applied 27 May 1994

Published 19 Sep 1995

Expired 19 Sep 2009

More info

Name	Adjustable keyboard for a personal computer
Inventors	William A. Abell, Jr., David C. Bishop, Edwin T. Coleman, III, John M. Huellemeier, Charles H. Lingle, Peter J. Mendel, Kenneth H. Mimlitch, Edward E. Pollard, Steven A. Silverstein
Assignees	Maxi Switch
Description	An ornamental design photographing an IBM Adjustable Keyboard or Lexmark Select-Ease Keyboard (Model M15).