| Number | Name | Date | Kind |
|---|---|---|---|
| D212480 | Mead | Oct 1968 | |
| D261481 | Haubert | Oct 1981 | |
| D273565 | Driskell et al. | Apr 1984 | |
| D273765 | Cillario | May 1984 | |
| D299085 | Martinez | Dec 1988 | |
| D305478 | Lahm et al. | Jan 1990 | |
| D306561 | Lee | Mar 1990 | |
| D308485 | Yeske | Jun 1990 | |
| D329600 | LaJoie | Sep 1992 | |
| D337268 | Detert et al. | Jul 1993 | |
| D340861 | Abelson | Nov 1993 | |
| 4415076 | Campbell | Nov 1983 | |
| 4691820 | Martinez | Sep 1987 |