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. Utility Patent 4,948,281 (US4948281A)

Applied 4 Oct 1989

Published 14 Aug 1990

Expired 4 Oct 2009

More info

Name	Keyboard protected against vandalism and spill
Inventors	Arend Werner
Assignees	IBM, IBM Information Products
Description	An invention for a means to help protect a computer keyboard in a self-service application/transaction machine from vandalism and liquid spills. The figures depict an IBM Space Saving Keyboard (Model M) variant for the IBM 4737 Self-Service Transaction Station.