Granted Patent
Utility
US 4,481,430 · App. 06/404,318
Power supply threshold activation circuit
Inventors:
William R. Houk, Hayagriva V. Rao
Patented Case
View Patent ↗
Granted: Nov 6, 1984
Filed: Aug 2, 1982
Inventors
William R. Houk
Hayagriva V. Rao
Assignee (at issue)
Fairchild Camera & Instrument Corp.
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.