Number | Name | Date | Kind |
---|---|---|---|
D149226 | Amstutz | May 1948 | |
D312138 | Burns | Nov 1990 | |
D348112 | Maglica | Jun 1994 | |
D351477 | Bamber | Oct 1994 | |
D357760 | Osiecki et al. | Apr 1995 | |
D367721 | Maglica | Mar 1996 | |
D368147 | Bamber et al. | Mar 1996 | |
2210312 | Wood | Aug 1940 | |
2518437 | Amstutz | Aug 1950 | |
3017502 | Dent | Jan 1962 | |
3067324 | Thompson | Dec 1962 | |
4135230 | Armbruster | Jan 1979 | |
4843526 | Price, III | Jun 1989 | |
5422798 | Osiecki et al. | Jun 1995 |