IP Library Granted Patent US 4,773,837
Granted Patent Utility
US 4,773,837 · App. 06/877,247

Screw pump

Inventors: Atsushi Shimomura, Hitoshi Tsuihiji, Yasuo Hirooka
Patented Case View Patent ↗
Granted: Sep 27, 1988 Filed: Jun 23, 1986
Inventors
Atsushi Shimomura
Hitoshi Tsuihiji
Yasuo Hirooka
Assignee (at issue)
KAWASAKI JUKOGYO KABUSHIKI KAISHA

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Quick Facts
Patent No.
US 4,773,837
App. No.
06/877,247
Filed
1986-06-23
Granted
1988-09-27
Kind
A