Granted Patent
Utility
US 4,320,449 · App. 04/182,716
Control circuit
Inventor:
James C. Carroll
Patented Case
View Patent ↗
Granted: Mar 16, 1982
Filed: Mar 22, 1962
Inventor
James C. Carroll
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.