IP Library › Granted Patent US 4,146,209
Granted Patent Utility
US 4,146,209 · App. 05/858,671

Gate valve

Inventor: Larry D. Leva
Patented Case View Patent ↗
Granted: Mar 27, 1979 Filed: Dec 8, 1977
Inventor
Larry D. Leva
Assignee (at issue)
Armco Steel Company, L.P.

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Quick Facts
Patent No.
US 4,146,209
App. No.
05/858,671
Filed
1977-12-08
Granted
1979-03-27
Kind
A