Number | Date | Country | Kind |
---|---|---|---|
3838362 | Nov 1988 | DEX |
Filing Document | Filing Date | Country | Kind | 102e Date | 371c Date |
---|---|---|---|---|---|
PCT/EP89/01274 | 10/25/1989 | 6/10/1991 | 6/10/1991 |
Publishing Document | Publishing Date | Country | Kind |
---|---|---|---|
WO90/05372 | 5/17/1990 |
Number | Name | Date | Kind |
---|---|---|---|
3523184 | Vogel | Aug 1970 | |
4760221 | Yoshida et al. | Jul 1988 |
Number | Date | Country |
---|---|---|
0267541 | May 1988 | EPX |
0282817 | Sep 1988 | EPX |
7234411 | Jan 1973 | DEX |
2259052 | Jun 1974 | DEX |
Entry |
---|
IBM Technical Disclosure Bulletin, vol. 31 No. 1 Jun. 1988 "Triangular Toggle keys for Touch Tone Phone" pp. 47-48. |
IBM Technical Disclosure Bulletin, vol. 21 No. 12 May 1979, "Digital Joystick Switch" pp. 4962-4964. |