Granted Patent
Utility
US 4,761,587 · App. 06/942,894
Multiple frequency horizontal oscillator for video apparatus
Inventor:
James H. Wharton
Patented Case
View Patent ↗
Granted: Aug 2, 1988
Filed: Dec 17, 1986
Inventor
James H. Wharton
Assignee (at issue)
RCA Licensing 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.