| Number | Name | Date | Kind |
|---|---|---|---|
| 2635335 | James | Apr 1953 | A |
| 2760265 | Draenert | Aug 1956 | A |
| 3654700 | Pawloski | Apr 1972 | A |
| 3787742 | Murphy | Jan 1974 | A |
| 3808682 | Sumida | May 1974 | A |
| 4369576 | McVaugh | Jan 1983 | A |
| 4682416 | Stolfa | Jul 1987 | A |
| 5901447 | Dunning | May 1999 | A |
| 5992024 | Rogers | Nov 1999 | A |
| D426443 | Lai | Jun 2000 | S |
| 6178643 | Erbrick et al. | Jan 2001 | B1 |
| D443806 | Fladgard et al. | Jun 2001 | S |
| 6250998 | Fladgard et al. | Jun 2001 | B1 |
| Entry |
|---|
| Excalibur Tools Pty Limited brochure, Jan. 24, 2003 (internet portion). |