| Number | Name | Date | Kind |
|---|---|---|---|
| D280837 | Takei | Oct 1985 | |
| D285458 | Nakao et al. | Sep 1986 | |
| D286796 | Simmones | Nov 1986 | |
| D299729 | Takei et al. | Feb 1989 | |
| D320049 | Takahashi et al. | Sep 1991 | |
| D335900 | Oshimi | May 1993 | |
| D344768 | Chuk | Mar 1994 | |
| 1239033 | Norwood | Sep 1917 | |
| 1779766 | Gibbons et al. | Oct 1930 | |
| 3613264 | Vitka et al. | Oct 1971 | |
| 4223471 | Greenberg | Sep 1980 | |
| 4582498 | Tamada | Apr 1986 | |
| 4906217 | O'Young | Mar 1990 | |
| 4928412 | Nishiyama | May 1990 | |
| 5156550 | Alexander | Oct 1992 | |
| 5189821 | Lee | Mar 1993 | |
| 5213540 | Yang | May 1993 | |
| 5228225 | Lee | Jul 1993 | |
| 5269717 | Tardif | Dec 1993 | |
| 5442869 | McDarren et al. | Aug 1995 | |
| 5478268 | Au | Dec 1995 |