Granted Patent
Utility
US 4,594,518 · App. 06/628,302
Voltage level sensing circuit
Inventor:
Robert G. Pollachek
Patented Case
View Patent ↗
Granted: Jun 10, 1986
Filed: Jul 6, 1984
Inventor
Robert G. Pollachek
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.