Number | Name | Date | Kind |
---|---|---|---|
RE26539 | Bott | Mar 1969 | |
D306990 | Bott | Apr 1990 | |
3719313 | Tischler | Mar 1973 | |
4323182 | Bott | Apr 1982 | |
4432478 | Bott | Feb 1984 | |
4440333 | Bott | Apr 1984 | |
4448337 | Cronce | May 1984 | |
4469261 | Stapleton et al. | Sep 1984 | |
4487348 | Mareydt | Dec 1984 | |
4500020 | Rasor | Feb 1985 | |
4588117 | Bott | May 1986 | |
4754905 | Bott | Jul 1988 | |
4768691 | Stapleton | Sep 1988 | |
4911348 | Rasor et al. | Mar 1990 |