Number | Name | Date | Kind |
---|---|---|---|
D214168 | Rabineau | May 1969 | |
D260090 | Hughes et al. | Aug 1981 | |
D260513 | Comstock | Sep 1981 | |
3883202 | Konig | May 1975 | |
4015070 | Theurer | Mar 1977 | |
4037267 | Kisor | Jul 1977 | |
4094256 | Holper et al. | Jun 1978 | |
4372629 | Propst et al. | Feb 1983 |