IP Library › Granted Patent US 4,273,003
Granted Patent Utility
US 4,273,003 · App. 06/019,809

Check valve bearing lubricator

Inventor: Donald C. Schultz
Patented Case View Patent ↗
Granted: Jun 16, 1981 Filed: Mar 12, 1979
Inventor
Donald C. Schultz

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Quick Facts
Patent No.
US 4,273,003
App. No.
06/019,809
Filed
1979-03-12
Granted
1981-06-16
Kind
A