IP Library › Granted Patent US 4,594,940
Granted Patent Utility
US 4,594,940 · App. 06/764,953

Fan for ventilation

Inventors: David W. Wolbrink, Dieter W. Otte
Patented Case View Patent ↗
Granted: Jun 17, 1986 Filed: Aug 9, 1985
Inventors
David W. Wolbrink
Dieter W. Otte
Assignee (at issue)
Broan Manufacturing Company, Inc.

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Quick Facts
Patent No.
US 4,594,940
App. No.
06/764,953
Filed
1985-08-09
Granted
1986-06-17
Kind
A