Number | Date | Country | Kind |
---|---|---|---|
51-127493 | Oct 1976 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
RE25229 | Sacchini et al. | Aug 1962 | |
2298970 | Russell et al. | Mar 1941 | |
2883022 | Clausing et al. | Apr 1959 | |
2885042 | Frechette | May 1959 | |
2885896 | Hungerford et al. | May 1959 | |
3048050 | Perryman | Aug 1962 | |
3104745 | Wipke | Sep 1963 | |
3349880 | Baer | Oct 1967 | |
3493088 | Hoff | Feb 1970 | |
3877554 | Wojtowicz | Apr 1975 | |
3905458 | Mehrbrodt | Sep 1975 | |
3985212 | Gershnow et al. | Oct 1976 | |
3990554 | Lowery | Nov 1976 |
Entry |
---|
IBM Technical Disclosure Bulletin, A. B. Rosenthal, vol. 13, No. 11, Apr. 1971, p. 3439. |