Granted Patent
Utility
US 3,946,274 · App. 05/462,058
Side pincushion correction circuit
Inventor:
Wolfgang Dietz
Patented Case
View Patent ↗
Granted: Mar 23, 1976
Filed: Apr 18, 1974
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.