Number | Date | Country | Kind |
---|---|---|---|
8-007915 | Jan 1996 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
1440527 | Brinkman | Jan 1923 | |
4876869 | Saeki et al. | Oct 1989 | |
5526663 | Sauvonnet et al. | Jun 1996 |
Entry |
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Patent Abstracts of Japan, JP 2-11211, Jan. 16, 1990. |
Patent Abstracts of Japan, JP 55-103215, Aug. 7, 1980. |