| Number | Name | Date | Kind |
|---|---|---|---|
| 2680004 | Herker | Jun 1954 | A |
| D220964 | Ledington | Jun 1971 | S |
| 3645503 | Doerfling | Feb 1972 | A |
| 4884784 | Nix et al. | Dec 1989 | A |
| 5072962 | Webb | Dec 1991 | A |
| 5511929 | Loftus | Apr 1996 | A |
| 5522582 | Dilks | Jun 1996 | A |
| D417764 | Barringer | Dec 1999 | S |
| 6386514 | Ray | May 2002 | B1 |
| 6575184 | Kozak | Jun 2003 | B2 |
| D490203 | Miyoshi | May 2004 | S |
| 6756764 | Smith et al. | Jun 2004 | B2 |
| 6981695 | Hedlund et al. | Jan 2006 | B1 |
| Number | Date | Country |
|---|---|---|
| 562 159 | May 1975 | CH |