Granted Patent
Utility
US 4,656,399 · App. 06/728,661
Television power supply turn-on protection circuit
Inventors:
William John Testin, Michael P. French
Patented Case
View Patent ↗
Granted: Apr 7, 1987
Filed: Apr 29, 1985
Inventors
William John Testin
Michael P. French
Assignee (at issue)
RCA 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.