Number | Date | Country | Kind |
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8-355191 | Dec 1996 | JPX | |
9-020124 | Jan 1997 | JPX |
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4731705 | Velasco et al. | Mar 1988 | |
4757424 | Morimoto et al. | Jul 1988 | |
4826328 | Sumal | May 1989 | |
4922161 | Gilliland et al. | May 1990 | |
4975796 | MacDougall | Dec 1990 | |
5260855 | Kaschmitter et al. | Nov 1993 | |
5402056 | Ketterling | Mar 1995 | |
5545933 | Okamura et al. | Aug 1996 | |
5604426 | Okamura et al. | Feb 1997 | |
5867363 | Tsai et al. | Feb 1999 |
Entry |
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Patent Abstracts of Japan, vol. 095, No. 001, Feb. 28, 1995, JP 06 302474, Oct. 28, 1994. |