Number | Name | Date | Kind |
---|---|---|---|
D287426 | Godfrey | Dec 1986 | |
3811745 | Cylke | May 1974 | |
3995921 | Ackeret | Dec 1976 | |
4239109 | Nielsen et al. | Dec 1980 | |
4269461 | Roach, Jr. | May 1981 | |
4620740 | Kinzig | Nov 1986 | |
4688860 | Accumanno et al. | Aug 1987 | |
4709815 | Price et al. | Dec 1987 |
Number | Date | Country |
---|---|---|
2236661 | Feb 1974 | DEX |
2433570 | Jan 1976 | DEX |
7521862 | Feb 1977 | FRX |
2041726 | Sep 1980 | GBX |
Entry |
---|
IBM Technical Disclosure Bulletin, May 1974, vol. 16, No. 12, pp. 3839-3840. |