Number | Name | Date | Kind |
---|---|---|---|
3588875 | Gabor | Jun 1971 | |
4326193 | Markley et al. | Apr 1982 | |
4379336 | Yamamoto et al. | Apr 1983 | |
4475164 | Sado | Oct 1984 | |
4496200 | Hagstrom et al. | Jan 1985 | |
4527149 | Swensen | Jul 1985 | |
4595993 | Yao | Jun 1986 |
Number | Date | Country |
---|---|---|
8403573 | Sep 1984 | EPX |
2847135 | May 1980 | DEX |
3132015 | Oct 1982 | DEX |
0111936 | Sep 1981 | JPX |
Entry |
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Edwards, "A Keyboard for your Data Terminal" Electronics Australia Apr. 1978 vol. 40, #1 pp. 48-56. |
Davis, Jr., "Adapter Shelf", IBM Technical Disclosure Bulletin, vol. 22, #7, pp. 2631-2632 Dec. 1979. |
Republic Scene Oct. 1983. |