IP Library › Granted Patent US 4,693,641
Granted Patent Utility
US 4,693,641 · App. 06/815,055

End mill with throw-away tip

Inventors: Osamu Tsujimura, Takayoshi Saito, Tatsuo Arai
Patented Case View Patent ↗
Granted: Sep 15, 1987 Filed: Dec 31, 1985
Inventors
Osamu Tsujimura
Takayoshi Saito
Tatsuo Arai
Assignee (at issue)
Mitsubishi Kinzoku Kabushiki Kaisha

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Quick Facts
Patent No.
US 4,693,641
App. No.
06/815,055
Filed
1985-12-31
Granted
1987-09-15
Kind
A