| Number | Name | Date | Kind |
|---|---|---|---|
| D91919 | Burbank | Apr 1934 | |
| D183998 | McCormick | Nov 1958 | |
| D369193 | Imswiler | Apr 1996 | |
| 1482232 | Hazeltine | Jan 1924 | |
| 1795732 | Miller | Mar 1931 | |
| 2050402 | Walsh | Mar 1936 | |
| 2861810 | Veatch | Nov 1958 | |
| 4991838 | Groves | Feb 1991 | |
| 5427378 | Murphy | Jun 1995 | |
| 5662534 | Kroll et al. | Sep 1997 |