Granted Patent
Utility
US 4,288,854 · App. 06/075,290
Bi-modal temperature controller
Inventor:
Mark S. Burroughs
Patented Case
View Patent ↗
Granted: Sep 8, 1981
Filed: Sep 12, 1979
Inventor
Mark S. Burroughs
Assignee (at issue)
Western Electric 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.