Number | Name | Date | Kind |
---|---|---|---|
3904931 | Leidich | Sep 1975 | |
4400711 | Avery | Aug 1983 | |
4424711 | Hubbard | Nov 1983 | |
4611128 | Patalong | Sep 1986 | |
4631567 | Kokado | Dec 1986 | |
4692781 | Roundtree | Sep 1987 | |
5010380 | Avery | Apr 1991 | |
5060037 | Rountree | Oct 1991 | |
5072273 | Avery | Dec 1991 | |
5103154 | Dropps et al. | Apr 1992 | |
5274262 | Avery | Dec 1993 |
Entry |
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L. R. Avery, U.S. patent application Ser. No. 07/803,880. |