Number | Name | Date | Kind |
---|---|---|---|
4081068 | Zapp | Mar 1978 | |
4201489 | Zapp | May 1980 | |
4378553 | McCall | Mar 1983 | |
4481556 | Berke et al. | Nov 1984 | |
4688862 | Fowler et al. | Aug 1987 | |
4862165 | Gart | Aug 1989 |
Number | Date | Country |
---|---|---|
1913287 | Sep 1970 | DEX |
2430036 | Jan 1976 | DEX |
Entry |
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`Official Gazette`, vol. #1105, No. 5, Patents of 8/29/89, p. 3455, `Ergonomically-Shaped Hand Controller`, Automated Patent Search Printout of Patent #4,862,165, dated 12/7/89. |
IBM Technical Disclosure Bulletin, vol. 25, #9, 2/1983, 400/715, "Kana Keyboard with Palm Rest", A. Uchiyama, 2 pp. |