Number | Name | Date | Kind |
---|---|---|---|
D294346 | Holmes | Feb 1988 | |
3689723 | Ludwig | Sep 1972 | |
3965319 | Lockard | Jun 1976 | |
4765649 | Sakai et al. | Aug 1988 |
Number | Date | Country |
---|---|---|
311024 | Apr 1989 | EPX |
2134136 | Jan 1972 | DEX |
402155435 | Jun 1990 | JPX |
1415855 | Nov 1975 | GBX |
Entry |
---|
Switches on p. 15 of McGill Cat. No. 85b. |
Switches on p. 19 of Cherry Cat. No. C-70, 1969. |
Switches on p. 613 of Allied Electronics, catalog, .COPYRGT.1990. |