Granted Patent
Utility
US 5,931,445 · App. 08/856,526
Multi-vane flow rate stabilizer for throttling valves
Inventors:
Allen D. Dvorak, Paul J. Schafbuch, David J. Westwater, Gerald L. Mimick
Patented Case
View Patent ↗
Granted: Aug 3, 1999
Filed: May 14, 1997
Inventors
Allen D. Dvorak
Paul J. Schafbuch
David J. Westwater
Gerald L. Mimick
Assignee (at issue)
Fisher Controls International LLC
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.