| Number | Name | Date | Kind |
|---|---|---|---|
| 1930527 | Manter | Oct 1933 | A |
| 3248255 | Belasco et al. | Apr 1966 | A |
| 4931303 | Holm et al. | Jun 1990 | A |
| D356656 | Juranovic et al. | Mar 1995 | S |
| D440378 | Malfait | Apr 2001 | S |
| 6258396 | Deutsch et al. | Jul 2001 | B1 |
| 6270817 | Barnes et al. | Aug 2001 | B1 |
| D463088 | Evitts et al. | Sep 2002 | S |
| D478703 | Allen et al. | Aug 2003 | S |
| D495851 | Funk et al. | Sep 2004 | S |
| 6951846 | Hartell et al. | Oct 2005 | B2 |
| 20040185163 | Takaoka | Sep 2004 | A1 |
| 20040219280 | Green et al. | Nov 2004 | A1 |