IP Library › Granted Patent US 4,338,969
Granted Patent Utility
US 4,338,969 · App. 05/858,966

Through fault pressure filter for fault pressure relay

Inventor: Gerald O. Usry
Patented Case View Patent ↗
Granted: Jul 13, 1982 Filed: Dec 9, 1977
Inventor
Gerald O. Usry

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Quick Facts
Patent No.
US 4,338,969
App. No.
05/858,966
Filed
1977-12-09
Granted
1982-07-13
Kind
A