IP Library › Granted Patent US 5,180,139
Granted Patent Utility
US 5,180,139 · App. 07/775,615

Rotary ball fluid control valve with noise attenuator

Inventors: Douglas P. Gethmann, Allen C. Fagerlund
Patented Case View Patent ↗
Granted: Jan 19, 1993 Filed: Oct 15, 1991
Inventors
Douglas P. Gethmann
Allen C. Fagerlund
Assignee (at issue)
Fisher Controls International LLC

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Quick Facts
Patent No.
US 5,180,139
App. No.
07/775,615
Filed
1991-10-15
Granted
1993-01-19
Kind
A