| Number | Name | Date | Kind |
|---|---|---|---|
| 4731926 | Sibalis | Mar 1988 | A |
| 5057072 | Phipps | Oct 1991 | A |
| 5084008 | Phipps | Jan 1992 | A |
| 5135479 | Sibalis et al. | Aug 1992 | A |
| 5147297 | Myers et al. | Sep 1992 | A |
| 5320597 | Sage, Jr. et al. | Jun 1994 | A |
| 5358483 | Sibalis | Oct 1994 | A |
| D352357 | Ashley | Nov 1994 | S |
| 5445609 | Lattin et al. | Aug 1995 | A |
| D372098 | Lattin et al. | Jul 1996 | S |
| 5603693 | Frenkel et al. | Feb 1997 | A |
| D384745 | Lattin et al. | Oct 1997 | S |
| 5919155 | Lattin et al. | Jul 1999 | A |
| 5928196 | Johnson et al. | Jul 1999 | A |
| 6039977 | Venkatraman et al. | Mar 2000 | A |
| 6049733 | Phipps et al. | Apr 2000 | A |
| 6167302 | Millot | Dec 2000 | A |
| 6171294 | Southam et al. | Jan 2001 | B1 |
| 6181963 | Chin et al. | Jan 2001 | B1 |
| 6216033 | Southam et al. | Apr 2001 | B1 |
| 6453195 | Thompson | Sep 2002 | B1 |
| 20020128591 | Kleiner et al. | Sep 2002 | A1 |
| 20020183702 | Henley et al. | Dec 2002 | A1 |
| 20020198504 | Risk et al. | Dec 2002 | A1 |
| 20030191946 | Auer et al. | Oct 2003 | A1 |
| Number | Date | Country |
|---|---|---|
| 714537 | Jan 2000 | AU |
| 1 532 995 | May 2008 | EP |
| 2239803 | Jul 1991 | GB |
| 1013790 | Apr 1998 | JP |
| WO9636394 | Nov 1996 | WO |
| WO 0141863 | Jun 2001 | WO |