U.S. patent number D367,858 [Application Number D/031,761] was granted by the patent office on 1996-03-12 for piano-like computer keys. This patent grant is currently assigned to International Business Machines Corporation. Invention is credited to Randal L. Bertram, John D. Swansey.
United States Patent | D367,858 |
Bertram , et al. | March 12, 1996 |
Inventors: | Bertram; Randal L. (Raleigh, NC), Swansey; John D. (Durham, NC) |
---|---|
Assignee: | International Business Machines
Corporation (Armonk, NY) |
Appl. No.: | D/031,761 |
Filed: | December 5, 1994 |
Current U.S. Class: | D14/456; D17/2 |
Field of Search: | ;D14/110,106,115 ;D17/2,6,7 ;84/483.2,423B,642,644,670,715,47R,423R,DIG.22 ;341/22,23 ;984/61,338,345,DIG.1 |
D345967 | April 1994 | Kroner |
D358808 | May 1995 | Murdoch et al. |
4352313 | October 1982 | Ny |
4655117 | April 1987 | Roose |
4704940 | November 1987 | Cummings |
5088378 | February 1992 | DeLaTorre |
5392682 | February 1995 | McCartney-Hoy |
Customizable Keys Using Add-On "Plugs", IBM Technical Disclosure Bulletin, vol. 33, No. 1B, Jun., 1990.. |
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