| Number | Name | Date | Kind |
|---|---|---|---|
| D296753 | Tsuji et al. | Jul 1988 | |
| D308159 | Stiitzer | May 1990 | |
| D324157 | Gildersleve | Feb 1992 | |
| D324158 | Gildersleve | Feb 1992 | |
| D326041 | Rowley | May 1992 | |
| D348813 | Klein | Jul 1994 | |
| D362377 | Schweizer | Sep 1995 | |
| 3031751 | Hart | May 1962 | |
| 3156044 | Congdon et al. | Nov 1964 | |
| 3550271 | Meyer et al. | Dec 1970 |