Granted Patent
Utility
US 4,700,170 · App. 06/722,330
Condition sensing rheostat and method of manufacture
Inventor:
Frank C. Weaver
Patented Case
View Patent ↗
Granted: Oct 13, 1987
Filed: Apr 12, 1985
Inventor
Frank C. Weaver
Assignee (at issue)
Stewart Warner Corporation
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.