| Number | Date | Country | Kind |
|---|---|---|---|
| 15619/2013 | Oct 2013 | AU | national |
| Number | Name | Date | Kind |
|---|---|---|---|
| 597879 | Graver | Jan 1898 | A |
| 1120108 | Warwick | Dec 1914 | A |
| 3146924 | Cozadd et al. | Sep 1964 | A |
| 3712002 | Hillinger et al. | Jan 1973 | A |
| 3777909 | Rheinfrank, Jr. | Dec 1973 | A |
| 4265065 | Osada | May 1981 | A |
| 4499669 | Haeck | Feb 1985 | A |
| 4869622 | Salter et al. | Sep 1989 | A |
| 6688496 | Ahlmer et al. | Feb 2004 | B1 |
| 20030071090 | Johanson | Apr 2003 | A1 |
| 20080193889 | Berquet | Aug 2008 | A1 |
| 20140166438 | Mikulec et al. | Jun 2014 | A1 |
| 20140291215 | Armstrong | Oct 2014 | A1 |