Number | Date | Country | Kind |
---|---|---|---|
5-201811 | Jul 1993 | JPX | |
5-201812 | Jul 1993 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
1681242 | Klaus | Aug 1928 | |
4753084 | Aoki | Jun 1988 | |
4852303 | Rolek | Aug 1989 | |
4934098 | Prouteau et al. | Jun 1990 | |
5374116 | Borgen et al. | Dec 1994 |
Number | Date | Country |
---|---|---|
236286A3 | Feb 1987 | EPX |
Entry |
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Patent Abstracts of Japan, vol. 14 No. 478 (M-1306) 18 Oct. 1990 & JP-A-02 192 573 (Sanyo Electric). |
Patent Abstracts of Japan, vol. 15, No. 283 9M-1137) 18 Jul. 1991 & JP-A-03 099 188 (Sanyo Electric). |