Number | Date | Country | Kind |
---|---|---|---|
4241943 | Dec 1992 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
2941541 | Peras | Jun 1960 | |
3270771 | Morgan | Sep 1966 | |
3537903 | Braun | Nov 1970 | |
4244378 | Brignola | Jan 1981 | |
4493339 | Porter | Jan 1985 |
Number | Date | Country |
---|---|---|
1142080 | Nov 1958 | FRX |
1119351 | Dec 1961 | DEX |
3307835 | Sep 1984 | DEX |
8534913 | Mar 1986 | DEX |
4135711 | Dec 1992 | DEX |
590860 | Jul 1947 | GBX |
2156574 | Oct 1985 | GBX |
2158634 | Nov 1985 | GBX |
Entry |
---|
Patent abstracts of Japan, vol. 13 No. 92 (E-722)(3440) Mar. 3, 1989 Research Disclosure Nr. 255 (1985) Jul., Emsworth, Hampshire, GB, p. 362. |