IP Library › Granted Patent US 4,840,854
Granted Patent Utility
US 4,840,854 · App. 07/097,343

Reinforced plate-like sintered bodies

Inventors: Takao Kojima, Tetsusyo Yamada
Patented Case View Patent ↗
Granted: Jun 20, 1989 Filed: Sep 11, 1987
Inventors
Takao Kojima
Tetsusyo Yamada
Assignee (at issue)
NGK SPARK PLUG CO., LTD.

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Quick Facts
Patent No.
US 4,840,854
App. No.
07/097,343
Filed
1987-09-11
Granted
1989-06-20
Kind
A