Granted Patent
Utility
US 4,465,256 · App. 06/324,460
Mounting device for range hoods
Inventors:
David W. Wolbrink, Kenneth J. Jonas, Roland E. Butt, Robert W. Busch
Patented Case
View Patent ↗
Granted: Aug 14, 1984
Filed: Nov 24, 1981
Inventors
David W. Wolbrink
Kenneth J. Jonas
Roland E. Butt
Robert W. Busch
Assignee (at issue)
Broan Manufacturing Company, 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.