Number | Name | Date | Kind |
---|---|---|---|
D270667 | Cascone et al. | Sep 1983 | |
D313860 | Slocomb, Jr. | Jan 1991 | |
3518794 | Homer | Jul 1970 | |
3553891 | Casebolt et al. | Jan 1971 | |
3859754 | Budich et al. | Jan 1975 | |
4484411 | Rystad | Nov 1984 | |
4589229 | Damen | May 1986 | |
4825610 | Gasteiger | May 1989 |