Number | Name | Date | Kind |
---|---|---|---|
D324709 | Lehtonen | Mar 1992 | |
D337799 | Cutter et al. | Jul 1993 | |
4846461 | Robards, Jr. et al. | Jul 1989 | |
4880224 | Jonas et al. | Nov 1989 | |
4974832 | Dalebout | Dec 1990 | |
5013033 | Watterson et al. | May 1991 | |
5072929 | Peterson et al. | Dec 1991 | |
5076573 | Lo | Dec 1991 |