Number | Name | Date | Kind |
---|---|---|---|
3022878 | Siebel | Feb 1962 | |
4360892 | Endfield | Nov 1982 | |
4414537 | Grimes | Nov 1983 | |
4442506 | Endfield | Apr 1984 | |
4517424 | Kroczynski | May 1985 | |
4791408 | Heusinkveld | Dec 1988 | |
4905001 | Penner | Feb 1990 | |
4998457 | Suzuki | Mar 1991 | |
5267181 | George | Nov 1993 |
Entry |
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Chappell Brown, Mar. 8, 1993 Electronic Engineering Times. |
International--"Newsweek" Feb. 22, 1993, p. 48. |
L. R. Shannon, New York Times, Mar. 15, 1993 "Byte" Magazine, Carol Swartz Mar. 1992. |
Ralph Needelmen, InfoWorld, Aug. 12, 1991. |
Mini Bat (Agenda) Brochure from InfoGrip. |
Mike Hanlon, MacNews, Jul. 1991 "Chordable input". |
NASA Tech Briefs, Dec. 1992. |