Number | Date | Country | Kind |
---|---|---|---|
5-179467 | Jul 1993 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4085193 | Nakajima et al. | Apr 1978 | |
4131643 | Utsunomiya et al. | Dec 1978 | |
4221768 | Inoue et al. | Sep 1980 | |
4518710 | Brennan | May 1985 | |
4916107 | Brand et al. | Apr 1990 | |
5198403 | Brand et al. | Mar 1993 |
Number | Date | Country |
---|---|---|
0317875A2 | May 1989 | EPX |
0385164A2 | Sep 1990 | EPX |
Entry |
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Patent Abstract of Japan, vol. 014, No. 232 (C-0719) (May 1990) (Abstract of JP-A-02 056 250). |
Database WPI, Section Ch, Week 8106 (Dec. 1990) AN 81-08883D (Abstract of JP-A-55 155 740). |
Database WPI, Section Ch, Week, 8725 (May 1987) AN 87-174713 (Abstract of JP-A-62 106 826). |