Number | Name | Date | Kind |
---|---|---|---|
4703363 | Kitamura | Oct 1987 | |
4747156 | Wahl | May 1988 | |
4841374 | Kotani et al. | Jun 1989 | |
4903316 | Hongo et al. | Feb 1990 | |
4999629 | Katsuta | Mar 1991 | |
5235434 | Wober | Aug 1993 |
Entry |
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U.S. Patent Application No. 08/414,750 filed Mar. 31, 1995 by Boyack & Juenger. |