Number | Name | Date | Kind |
---|---|---|---|
2953244 | Phillips | Sep 1960 | |
3232439 | Dahl, Jr. | Feb 1966 | |
3243049 | Seligmann, Jr. et al. | Mar 1966 | |
3463343 | Asenbauer | Aug 1969 | |
3708709 | Morrison et al. | Jan 1973 | |
3887102 | Earley | Jun 1975 | |
4176743 | Fitzpatrick | Dec 1979 | |
4320835 | Polhemus et al. | Mar 1982 | |
4406368 | Hermes | Sep 1983 | |
4489831 | Lahneman III | Dec 1984 | |
4512503 | Gioso | Apr 1985 | |
4591056 | Groch | May 1986 | |
4651878 | Hafner | Mar 1987 | |
4696399 | Windorski | Sep 1987 | |
4699277 | Baxter | Oct 1987 | |
4768298 | Polhemus et al. | Sep 1988 | |
4770320 | Miles et al. | Sep 1988 | |
4907703 | Alger et al. | Mar 1990 | |
4919276 | Kim et al. | Apr 1990 | |
4921127 | Windorski | May 1990 | |
4941576 | Sugerman et al. | Jul 1990 | |
4964519 | Sugerman et al. | Oct 1990 | |
5016772 | Wilk | May 1991 | |
5031769 | Shea et al. | Jul 1991 | |
5040681 | Grusin | Aug 1991 |
Number | Date | Country |
---|---|---|
2157155A | Oct 1985 | GBX |
WO8807342 | Oct 1988 | WOX |
Entry |
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PCT Search Report PCT/US91/09039. |