Number | Name | Date | Kind |
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D206993 | Baker | Feb 1967 | |
D244513 | Butcher | May 1977 | |
D297305 | Rudick et al. | Aug 1988 | |
D303627 | Wilkinson | Sep 1989 | |
D306554 | Lawson | Mar 1990 | |
D313181 | Pettengill | Dec 1990 | |
D315496 | Pettengill | Mar 1991 | |
D320735 | Pettengill | Oct 1991 | |
D363981 | Muderlak | Nov 1995 | |
D373529 | Zogg et al. | Sep 1996 | |
3166221 | Nielsen | Jan 1965 | |
3236418 | Dalle et al. | Feb 1966 | |
3785528 | Mandeltort | Jan 1974 | |
4159066 | Silver | Jun 1979 | |
4220261 | White | Sep 1980 | |
4742940 | Wilkinson | May 1988 | |
4773562 | Gueret | Sep 1988 | |
4961520 | White | Oct 1990 | |
5102016 | Ball et al. | Apr 1992 | |
5289949 | Gentile | Mar 1994 |