| Number | Name | Date | Kind |
|---|---|---|---|
| 3538906 | Heraty et al. | Nov 1970 | A |
| 5027788 | Schlosser et al. | Jul 1991 | A |
| 5299553 | Giebel et al. | Apr 1994 | A |
| D361466 | Peterson et al. | Aug 1995 | S |
| D451759 | Joss et al. | Dec 2001 | S |
| D459142 | Wu | Jun 2002 | S |
| D459938 | Pai | Jul 2002 | S |
| D460658 | Wu | Jul 2002 | S |
| 6474327 | Bossler et al. | Nov 2002 | B1 |
| D466359 | Bossler et al. | Dec 2002 | S |
| D476843 | Pai | Jul 2003 | S |
| 6591830 | Wu | Jul 2003 | B2 |
| D480906 | Pai | Oct 2003 | S |
| D485116 | Kwok | Jan 2004 | S |
| 6684876 | Bossler et al. | Feb 2004 | B2 |
| D496821 | Pai | Oct 2004 | S |
| D499600 | Bossler | Dec 2004 | S |
| D508365 | Nipke et al. | Aug 2005 | S |