Number | Name | Date | Kind |
---|---|---|---|
3832769 | Olyphant, Jr. et al. | Sep 1974 | |
4051550 | Seno et al. | Sep 1977 | |
4139881 | Shimizu et al. | Feb 1979 | |
4196839 | Davis | Apr 1980 | |
4215025 | Packer et al. | Jul 1980 | |
4373259 | Motseh | Feb 1983 | |
4506443 | Itoh | Mar 1985 | |
4515304 | Berger | May 1985 | |
4642889 | Grabbe | Feb 1987 |
Number | Date | Country |
---|---|---|
2556550 | Jun 1985 | FRX |
1199231 | Jul 1970 | GBX |
Entry |
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IBM Tech. Discl. Bulletin, vol. 24, No. 2, Jul. 1981, pp. 1214-1215 by L. V. Auletta et al. |