Number | Name | Date | Kind |
---|---|---|---|
3947669 | Simmons et al. | Mar 1976 | |
4333090 | Hirsh | Jun 1982 | |
4348740 | White | Sep 1982 | |
4348744 | White | Sep 1982 | |
4375666 | Buck et al. | Mar 1983 | |
4489316 | MacQuivey | Dec 1984 |
Entry |
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