Number | Name | Date | Kind |
---|---|---|---|
D229560 | Burke et al. | Dec 1973 | |
D233312 | Lock | Oct 1974 | |
D257950 | Van Meter, Jr. et al. | Jan 1981 | |
D291247 | Weilbacher | Aug 1987 | |
2406895 | Olson | Sep 1946 | |
3160175 | Laemmle | Dec 1964 | |
3295812 | Schneider et al. | Jan 1967 | |
3327360 | Nichols | Jun 1967 | |
3399322 | Ambe | Sep 1968 | |
3630195 | Santomieri | Dec 1971 | |
3677339 | Perrin et al. | Jul 1972 | |
4114241 | Bisping | Sep 1978 | |
4493468 | Roach | Jan 1985 | |
4707906 | Posey | Nov 1987 | |
4758196 | Wang | Jul 1988 | |
4999885 | Lee | Mar 1991 |