Granted Patent
Utility
US 4,672,226 · App. 06/709,753
Redundant resistance temperature detector power supply system
Inventor:
James F. Sutherland
Patented Case
View Patent ↗
Granted: Jun 9, 1987
Filed: Mar 8, 1985
Inventor
James F. Sutherland
Assignee (at issue)
Westinghouse Electric Company LLC
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.