| Number | Name | Date | Kind |
|---|---|---|---|
| D212392 | Mitchell | Oct 1968 | S |
| 4290673 | Yamamoto | Sep 1981 | A |
| D364181 | Arnette | Nov 1995 | S |
| 5542130 | Grabos et al. | Aug 1996 | A |
| 6047410 | Dondero | Apr 2000 | A |
| 6138285 | Robrahn et al. | Oct 2000 | A |
| D442206 | Meyerhoffer | May 2001 | S |
| D465507 | Wang | Nov 2002 | S |
| 6665885 | Masumoto | Dec 2003 | B2 |
| D505444 | Borlet et al. | May 2005 | S |
| 20020023292 | Masumoto | Feb 2002 | A1 |
| 20030221246 | Schary et al. | Dec 2003 | A1 |
| 20060272078 | Polinelli et al. | Dec 2006 | A1 |