| Number | Name | Date | Kind |
|---|---|---|---|
| 4322572 | Snyder | Mar 1982 | A |
| 5176348 | Gale | Jan 1993 | A |
| 5201159 | Goranson et al. | Apr 1993 | A |
| 5470139 | Hsiao | Nov 1995 | A |
| 5647185 | Forlini | Jul 1997 | A |
| 5647650 | Daugherty et al. | Jul 1997 | A |
| 5695263 | Simon et al. | Dec 1997 | A |
| 5715760 | Frascaroli et al. | Feb 1998 | A |
| 5894702 | Stenekes | Apr 1999 | A |
| D459975 | Dinh et al. | Jul 2002 | S |
| 6658808 | Doherty et al. | Dec 2003 | B1 |
| 6840372 | Giles et al. | Jan 2005 | B2 |
| 6862857 | Tychsen | Mar 2005 | B2 |
| 6907703 | Gonzalez | Jun 2005 | B2 |
| D547637 | Blacker | Jul 2007 | S |
| 20060261063 | Dyehouse | Nov 2006 | A1 |
| 20070151191 | August | Jul 2007 | A1 |
| 20070204548 | Gagne | Sep 2007 | A1 |
| 20080299868 | Chungpaiboon | Dec 2008 | A1 |
| Number | Date | Country |
|---|---|---|
| 616268 | Mar 1961 | CA |
| 1005987 | Mar 1977 | CA |