Number | Name | Date | Kind |
---|---|---|---|
4088855 | Emery | May 1978 | |
4489227 | Lamarche | Dec 1984 | |
4540865 | Calder | Sep 1985 | |
4560844 | Takamura et al. | Dec 1985 | |
4677268 | Nemeth et al. | Jun 1987 | |
4760217 | Suzuki et al. | Jul 1988 | |
4814561 | Kawasaki | Mar 1989 | |
4827243 | Cheng | May 1989 | |
4876415 | Clancy | Oct 1989 | |
5034573 | Bonmassari et al. | Jun 1991 | |
5115106 | Weiland et al. | May 1992 |
Number | Date | Country |
---|---|---|
4-92321 | Mar 1992 | JPX |
Entry |
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Johnson, Keyboard and Wiping Contact Assembly, IBM Technical Disclosure Bulletin, vol. 13 No. 7 Dec. 1970. |