IP Library › Granted Patent US 4,334,826
Granted Patent Utility
US 4,334,826 · App. 06/118,109

Surface aerator impeller

Inventors: John R. Connolly, David E. Gibson, Edward L. Heimark, Jerome B. Quinn, Richard E. Speechley, Richard L. Winter
Patented Case View Patent ↗
Granted: Jun 15, 1982 Filed: Feb 4, 1980
Inventors
John R. Connolly
David E. Gibson
Edward L. Heimark
Jerome B. Quinn
Richard E. Speechley
Richard L. Winter

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Quick Facts
Patent No.
US 4,334,826
App. No.
06/118,109
Filed
1980-02-04
Granted
1982-06-15
Kind
A