Granted Patent
Utility
US 4,295,603 · App. 06/093,785
Means controlling a flue damper
Inventor:
Michael T. Clouser
Patented Case
View Patent ↗
Granted: Oct 20, 1981
Filed: Nov 13, 1979
Inventor
Michael T. Clouser
Assignee (at issue)
Emhart Industries, Inc.
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.