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 1 patent(s).

U.S. Design Patent 268,109 (USD268109S)

A patent drawing of IBM's operator console of a telephone switching system from a front-right perspective

Applied 29 Aug 1979

Published 1 Mar 1983

Expired 1 Mar 1997

More info

Name	Operator console of a telephone switching system
Inventors	Daniel Richelet, Gilbert Pedinielli
Assignees	IBM
Description	An ornamental design depicting the IBM 1750 Switching System's 1755 Operator Console.