| Number | Date | Country | Kind |
|---|---|---|---|
| 002016741-0001 | Mar 2012 | EM | regional |
| Number | Name | Date | Kind |
|---|---|---|---|
| 2097465 | Morrison | Nov 1937 | A |
| 3274879 | Poller | Sep 1966 | A |
| 4102124 | Swager | Jul 1978 | A |
| 4423610 | Hart et al. | Jan 1984 | A |
| 5114260 | Hart et al. | May 1992 | A |
| 5433547 | Hart et al. | Jul 1995 | A |
| D389031 | Lam | Jan 1998 | S |
| D414675 | Niswanger | Oct 1999 | S |
| D433617 | Gray, Jr. | Nov 2000 | S |
| 7393033 | Bisso, IV | Jul 2008 | B1 |