| Number | Name | Date | Kind |
|---|---|---|---|
| D86952 | Garrison | May 1932 | S |
| 2310583 | Johnson | Feb 1943 | A |
| D150466 | Schuler | Aug 1948 | S |
| 3072379 | Hamer | Jan 1963 | A |
| 3238687 | Tisbo | Mar 1966 | A |
| 3726314 | Moen | Apr 1973 | A |
| 3840048 | Moen | Oct 1974 | A |
| 3916950 | Mongerson et al. | Nov 1975 | A |
| 4022427 | Read | May 1977 | A |
| 4478388 | George | Oct 1984 | A |
| D360728 | Nozaki | Jul 1995 | S |
| 6361051 | Babin | Mar 2002 | B1 |
| 6554249 | Pang et al. | Apr 2003 | B2 |
| D549850 | Perlman | Aug 2007 | S |
| D570501 | Janesz et al. | Jun 2008 | S |
| D660461 | Kotin et al. | May 2012 | S |
| D660984 | Kotin et al. | May 2012 | S |
| D666326 | Sims | Aug 2012 | S |
| D675750 | King | Feb 2013 | S |
| 20070205387 | Grau et al. | Sep 2007 | A1 |
| Number | Date | Country |
|---|---|---|
| 731895 | Jun 1955 | GB |
| 2004190769 | Jul 2004 | JP |
| 2008215626 | Sep 2008 | JP |
| 02088831 | Aug 1997 | RU |
| WO-9713398 | Apr 1997 | WO |