| Number | Name | Date | Kind |
|---|---|---|---|
| D272608 | Wesner et al. | Feb 1984 | S |
| 4862191 | Siefert | Aug 1989 | A |
| D307127 | Simons et al. | Apr 1990 | S |
| D342690 | Jue et al. | Dec 1993 | S |
| 5345383 | Vance | Sep 1994 | A |
| 6559773 | Berry | May 2003 | B1 |
| 6568345 | Paulo | May 2003 | B1 |
| 7369044 | Ono et al. | May 2008 | B2 |
| 7511683 | Sumiyoshi | Mar 2009 | B2 |