Granted Patent
Utility
US 4,238,712 · App. 06/041,095
Switched vertical deflection with triac
Inventor:
Wolfgang Dietz
Patented Case
View Patent ↗
Granted: Dec 9, 1980
Filed: May 21, 1979
Inventor
Wolfgang Dietz
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.