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4364067 | Koto et al. | Dec 1982 | |
4514743 | Roschlein et al. | Apr 1985 | |
4689641 | Scardovi et al. | Aug 1987 |
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A10867289 | Sep 1998 | EP |
60-198255-A | Oct 1985 | JP |
63-260447-A | Oct 1988 | JP |
4-99634 | Mar 1992 | JP |
Entry |
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Patent Abstracts of Japan, JP 04 099634 A (Seikosha Co Ltd), Mar. 31, 1992. |
Patent Abstracts of Japan, JP 59 167267 A (Nippon Denki KK), Sep. 20, 1984. |
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