| Number | Name | Date | Kind |
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| 4939689 | Davis et al. | Jul 1990 | |
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| 5168533 | Kato et al. | Dec 1992 | |
| 5175814 | Anick et al. | Dec 1992 | |
| 5206949 | Cochran et al. | Apr 1993 | |
| 5237678 | Kuechler et al. | Aug 1993 | |
| 5241671 | Reed et al. | Aug 1993 | |
| 5251294 | Abelow | Oct 1993 | |
| 5265065 | Turtle | Nov 1993 | |
| 5278980 | Pedersen et al. | Jan 1994 | |
| 5388196 | Pajak et al. | Feb 1995 | |
| 5418948 | Turtle | May 1995 | |
| 5428778 | Brookes | Jun 1995 | |
| 5442778 | Pedersen et al. | Aug 1995 | |
| 5515488 | Hoppe et al. | May 1996 | |
| 5630121 | Braden-Harder et al. | May 1997 | |
| 5630125 | Zellweger | May 1997 |
| Entry |
|---|
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