IP Library › Granted Patent US 4,309,978
Granted Patent Utility
US 4,309,978 · App. 06/150,613

Forced air heater

Inventors: Charles R. Hensiek, Paul A. Mutchler, Rayford W. Timms
Patented Case View Patent ↗
Granted: Jan 12, 1982 Filed: May 16, 1980
Inventors
Charles R. Hensiek
Paul A. Mutchler
Rayford W. Timms
Assignee (at issue)
AMERICAN AIR FILTER COMPANY, INC.

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Quick Facts
Patent No.
US 4,309,978
App. No.
06/150,613
Filed
1980-05-16
Granted
1982-01-12
Kind
A