| Number | Name | Date | Kind |
|---|---|---|---|
| RE20924 | Nickle | Nov 1938 | E |
| 2284494 | Oakley | May 1942 | A |
| 2507877 | Babcock | May 1950 | A |
| 4167599 | Nissinen | Sep 1979 | A |
| D283012 | Jankens | Mar 1986 | S |
| D286497 | Daenen et al. | Nov 1986 | S |
| 4894875 | Oxley et al. | Jan 1990 | A |
| D348131 | Bozzo et al. | Jun 1994 | S |
| D364018 | Brightbill et al. | Nov 1995 | S |
| 5577289 | Russell | Nov 1996 | A |
| D416148 | Pagnon et al. | Nov 1999 | S |
| D418646 | Hampshire | Jan 2000 | S |
| D418647 | Snell | Jan 2000 | S |
| D437094 | Ward | Jan 2001 | S |
| D438681 | Klein et al. | Mar 2001 | S |
| D514765 | Dretzka | Feb 2006 | S |
| D517759 | Dretzka | Mar 2006 | S |
| D554820 | Dretzka | Nov 2007 | S |