| Number | Name | Date | Kind |
|---|---|---|---|
| 4161079 | Hill | Jul 1979 | A |
| D259272 | Duffey | May 1981 | S |
| 4947578 | Anderson | Aug 1990 | A |
| D346637 | Exum | May 1994 | S |
| D358443 | Demarest | May 1995 | S |
| 5634292 | Kitterman | Jun 1997 | A |
| D469150 | Scrivener | Jan 2003 | S |
| D498812 | Warner | Nov 2004 | S |
| 6886292 | Studer et al. | May 2005 | B2 |
| 6965205 | Piepgras et al. | Nov 2005 | B2 |
| 7784215 | Cohnstaedt et al. | Aug 2010 | B2 |
| 7937887 | Child | May 2011 | B2 |
| D761931 | Zhang | Jul 2016 | S |
| D776228 | Caruso | Jan 2017 | S |
| 20060218851 | Weiss et al. | Oct 2006 | A1 |
| 20070124987 | Brown et al. | Jun 2007 | A1 |
| 20080229652 | Willcox et al. | Sep 2008 | A1 |
| 20100071257 | Tsai | Mar 2010 | A1 |
| 20160000060 | Sandford et al. | Jan 2016 | A1 |
| 20160262367 | Sandford et al. | Sep 2016 | A1 |
| Number | Date | Country |
|---|---|---|
| WO9220224 | Nov 1992 | GB |