Number | Name | Date | Kind |
---|---|---|---|
D310473 | Takeda et al. | Sep 1990 | |
881557 | Deming | Mar 1908 | |
2058347 | Murphy | Oct 1936 | |
2687562 | Noll | Aug 1954 | |
2897692 | Beckner et al. | Aug 1959 | |
4558540 | Collins | Dec 1985 | |
4584745 | Seiber | Apr 1986 | |
4625725 | Davison et al. | Dec 1986 | |
5027519 | DeVincentis | Jul 1991 |