IP Library › Granted Patent US 4,834,591
Granted Patent Utility
US 4,834,591 · App. 07/164,443

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Inventors: Osamu Tsujimura, Masaaki Nakayama, Masayuki Okawa
Patented Case View Patent ↗
Granted: May 30, 1989 Filed: Mar 4, 1988
Inventors
Osamu Tsujimura
Masaaki Nakayama
Masayuki Okawa
Assignee (at issue)
Mitsubishi Kinzoku Kabushiki Kaisha

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Quick Facts
Patent No.
US 4,834,591
App. No.
07/164,443
Filed
1988-03-04
Granted
1989-05-30
Kind
A