IP Library › Granted Patent US 4,941,234
Granted Patent Utility
US 4,941,234 · App. 07/409,938

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Inventors: Hirokazu Watanabe, Yoshihiro Kanzaka
Patented Case View Patent ↗
Granted: Jul 17, 1990 Filed: Sep 20, 1989
Inventors
Hirokazu Watanabe
Yoshihiro Kanzaka
Assignee (at issue)
Yoshida Kogyo K.K.

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Quick Facts
Patent No.
US 4,941,234
App. No.
07/409,938
Filed
1989-09-20
Granted
1990-07-17
Kind
A