Number | Name | Date | Kind |
---|---|---|---|
3611069 | Fenner et al. | Oct 1971 | |
3890170 | Russ | Jun 1975 | |
3942065 | Russ | Mar 1976 | |
3963538 | Broadie | Jun 1976 |
Entry |
---|
Shih et al., I.B.M. Tech. Discl. Bull., vol. 12, No. 1, Jun. 1969, p. 162. |
Blum et al., I.B.M. Tech. Discl. Bull., vol. 13, No. 9, Feb. 1971, p. 2494. |
Marinace, I.B.M. Tech. Discl. Bull., vol. 11, No. 4, Sep. 1968, p. 398. |