Granted Patent
Utility
US 4,415,841 · App. 06/268,433
Television receiver ferroresonant power supply with permanent magnet biasing
Inventors:
Donald H. Willis, Randall C. Clayburn
Patented Case
View Patent ↗
Granted: Nov 15, 1983
Filed: May 29, 1981
Inventors
Donald H. Willis
Randall C. Clayburn
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.