Number | Name | Date | Kind |
---|---|---|---|
3383487 | Wiener | May 1968 | |
3627935 | Spievak | Dec 1971 | |
3721778 | Seeger, Jr. et al. | Mar 1973 | |
3789167 | Seeger, Jr. et al. | Jan 1974 | |
3854018 | Reynolds et al. | Dec 1974 | |
3860771 | Lynn et al. | Jan 1975 | |
3862381 | Glaister et al. | Jan 1975 | |
3862382 | Glaister et al. | Jan 1975 | |
3911234 | Kotaka | Oct 1975 | |
3978297 | Lynn et al. | Aug 1976 | |
4028509 | Zurcher | Jun 1977 | |
4029916 | Chu | Jun 1977 | |
4032729 | Koistinen | Jun 1977 | |
4066851 | White et al. | Jan 1978 | |
4081898 | Taylor, Jr. et al. | Apr 1978 |
Number | Date | Country |
---|---|---|
2459464 | Jun 1975 | DEX |
Entry |
---|
J. R. Lester et al., IBM Tech. Disc. Bull., "Switch", vol. 11, No. 11, Apr. 1969, p. 1569 |