U.S. Design Patent 344,724 (USD344724S)

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Provided by the ASK Keyboard Patents database

A patent diagram depicting IBM's keyboard from a front-left perspective

A patent diagram depicting IBM's keyboard from a bottom-right perspective

Applied 10th December 1991

Published 1st March 1994

Expired 1st March 2008

More informaion

Name	Keyboard
Inventors	Thomas E. Pangburn
Assignees	Lexmark
Description	An ornamental design depicting the original IBM Space Saver Keyboard (Model M4).

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