Number | Name | Date | Kind |
---|---|---|---|
2502529 | Murray | Apr 1950 | |
2887379 | Blake et al. | May 1959 | |
3300310 | Kennard et al. | Jan 1967 | |
3300311 | Kennard et al. | Jan 1967 | |
3617285 | Staudenmayer | Nov 1971 | |
3617332 | Lehmann | Nov 1971 | |
3743833 | Martic et al. | Jul 1973 | |
4071640 | Ignasiak | Jan 1978 | |
4374905 | Rabatin | Feb 1983 | |
4380702 | Takahashi et al. | Apr 1983 | |
4491736 | Teraoka | Jan 1985 | |
4505989 | Umemoto et al. | Mar 1985 | |
4912333 | Roberts et al. | Mar 1990 | |
5382452 | Bruno | Jan 1995 | |
5401971 | Roberts | Mar 1995 |
Number | Date | Country |
---|---|---|
0142734 | May 1985 | EPX |
0234385 | Sep 1991 | EPX |
2017140 | Oct 1979 | GBX |
Entry |
---|
Research Disclosure, vol. 154, Feb. 1977, Item 15444. |
Research Disclosure, vol. 176, Dec. 1978, item 17643, Section XVII. |
Research Disclosure, vol. 184, Aug. 1979, Item 18431, Section I. |