Number | Name | Date | Kind |
---|---|---|---|
2947564 | Winther | Aug 1960 | |
3066969 | Camac | Dec 1962 | |
3077361 | Tait et al. | Feb 1963 | |
3745637 | Rutherford et al. | Jul 1973 | |
4056972 | Bromwich | Nov 1977 | |
4262402 | Cooper, Jr. et al. | Apr 1981 | |
4285503 | Calhoun et al. | Aug 1981 | |
4355536 | McShane et al. | Oct 1982 | |
4494907 | Coussau et al. | Jan 1985 | |
4508063 | Monne | Apr 1985 | |
4515747 | Creek et al. | May 1985 |
Number | Date | Country |
---|---|---|
2544123 | Oct 1984 | FRX |
Entry |
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U.S. Ser. No. 687,237 filed 12/28/84, D. R. Stoner et al. |