Granted Patent
Utility
US 4,482,921 · App. 06/437,830
Level shifter for an automatic kinescope bias sampling system
Inventor:
Paul D. Filliman
Patented Case
View Patent ↗
Granted: Nov 13, 1984
Filed: Oct 29, 1982
Inventor
Paul D. Filliman
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.