Number | Date | Country | Kind |
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11-049916 | Feb 1999 | JP |
Number | Name | Date | Kind |
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4097919 | Bobrick et al. | Jun 1978 | A |
5757452 | Massaki et al. | May 1998 | A |
5899550 | Masaki | May 1999 | A |
Entry |
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Japanese Kokai (Published unexamined patent application) No. 62768/1998 (Tokukaihei 10-62768, Published Date: Mar. 6, 1998). |
Japanese Kokai (Published unexamined patent application) No. 21992/1996 (Tokukaihei 8-21992, Published Date: Jan. 23, 1996). |