Granted Patent
Utility
US 4,709,321 · App. 06/926,032
Regulator protection circuit for video apparatus
Inventor:
Dana C. Trantham
Patented Case
View Patent ↗
Granted: Nov 24, 1987
Filed: Oct 31, 1986
Inventor
Dana C. Trantham
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.