Number | Date | Country | Kind |
---|---|---|---|
9101386 | May 1991 | SEX |
Number | Name | Date | Kind |
---|---|---|---|
3971656 | Rudy | Jul 1976 | |
4049876 | Yamamoto et al. | Sep 1977 | |
4120719 | Nomura et al. | Oct 1978 | |
4769070 | Tobioka et al. | Sep 1980 | |
4966627 | Keshaven et al. | Oct 1990 | |
5110349 | Westergren et al. | May 1992 | |
5110543 | Odani et al. | May 1992 |
Number | Date | Country |
---|---|---|
0417302 | Mar 1991 | EPX |
61-295352 | May 1987 | JPX |
62-237740 | Jun 1989 | JPX |
Entry |
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Patent Abstracts of Japan vol. 013, No. 111 (C-577) 16 Mar. 1989 & JP-A-63 286 549 (Toshiba Tungalloy Co Ltd) 19 May 1987. |
Patent Abstracts of Japan vol. 012, No. 213 (C-505) 17 Jun. 1988 & JP-A-63 011 645 (Sumitomo Electric Ind Ltd) 19 Jan. 1988. |
Patent Abstracts of Japan vol. 014, No. 294 (C-732) 26 Jun. 1990 & JP-A-20 93 036 (Kyocera Corp) 3 Apr. 1990. |