| Number | Date | Country | Kind |
|---|---|---|---|
| 000637590 | Dec 2006 | EM | regional |
| Number | Name | Date | Kind |
|---|---|---|---|
| D92636 | Wideroe | Jun 1934 | S |
| D222556 | Mattson | Nov 1971 | S |
| 3944810 | Grindle | Mar 1976 | A |
| 4489368 | Sangiamo et al. | Dec 1984 | A |
| D301758 | Sapper | Jun 1989 | S |
| D370069 | Mier-Langner et al. | May 1996 | S |
| D380847 | Mier-Langner et al. | Jul 1997 | S |
| 5651606 | Krogman | Jul 1997 | A |
| D383236 | Krogman | Sep 1997 | S |
| D392406 | Morrow et al. | Mar 1998 | S |
| D420759 | Shuenn-Fa | Feb 2000 | S |
| D435932 | Hiller et al. | Jan 2001 | S |
| D436680 | Leen | Jan 2001 | S |
| D437954 | Tang | Feb 2001 | S |
| D443940 | Donato | Jun 2001 | S |
| D478392 | Kovacik et al. | Aug 2003 | S |