Number | Date | Country | Kind |
---|---|---|---|
8302660[U] | Feb 1983 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
2261115 | Hofgaard | Nov 1941 | |
2730248 | Van Waert | Jan 1956 | |
4060703 | Evert, Jr. | Nov 1977 | |
4092777 | Bequaert et al. | Aug 1977 | |
4129758 | Gilano et al. | Dec 1978 | |
4322587 | Burns et al. | Mar 1982 | |
4366355 | Oelsch | Dec 1982 | |
4367384 | Waarle | Jan 1983 | |
4400593 | Kunz | Aug 1983 |
Number | Date | Country |
---|---|---|
700140 | Dec 1940 | DE2 |
1107534 | May 1961 | DEX |
3020010 | Dec 1981 | DEX |
2066575 | Jun 1981 | GBX |
Entry |
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IBM Tech. Disc. Bull. vol. 13, No. 11, Apr. 71. |