Number | Date | Country | Kind |
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1-42164 | Feb 1989 | JPX |
This application is a continuation of application Ser. No. 07/470,312, filed on Jan. 25, 1990, now abandoned.
Number | Name | Date | Kind |
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4042409 | Terada et al. | Aug 1977 | |
4148781 | Narukawa et al. | Apr 1979 | |
4748196 | Kuroda et al. | May 1988 |
Entry |
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Patent Abstracts of Japan, unexamined applications, C section, vol. 3, No. 7, Jan. 24, 1979, The Patent Office Japanese Government, p. 143 C 34, Kokai-No. 53-131 979 (Mitsubishi). |
Patent Abstracts of Japan, unexamined applications, C section, vol. 4, No. 151, Oct. 23, 1980, The Patent Office Japanese Government, p. 20 C 28, Kokai-No. 55-94 983 (Kindai). |
Number | Date | Country | |
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Parent | 470312 | Jan 1990 |