Granted Patent
Utility
US 4,446,405 · App. 06/383,056
Television receiver ferroresonant load power supply
Inventor:
Donald H. Willis
Patented Case
View Patent ↗
Granted: May 1, 1984
Filed: May 28, 1982
Inventor
Donald H. Willis
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.