| Number | Name | Date | Kind |
|---|---|---|---|
| D190587 | Magers | Jun 1961 | |
| D280771 | Barnett | Sep 1985 | |
| D284049 | Nathan et al. | Jun 1986 | |
| D306942 | Patke | Apr 1990 | |
| D337673 | Goetz | Jul 1993 | |
| D386870 | Halvorson et al. | Nov 1997 | |
| D386871 | Halvorson et al. | Nov 1997 | |
| D418694 | McColskey | Jan 2000 | |
| 3146724 | Magers | Sep 1964 | |
| 3149726 | Magers | Sep 1964 | |
| 3149727 | Magers | Sep 1964 |