Granted Patent
Utility
US 4,612,632 · App. 06/679,784
Power transition write protection for PROM
Inventor:
Anthony M. Olson
Patented Case
View Patent ↗
Granted: Sep 16, 1986
Filed: Dec 10, 1984
Inventor
Anthony M. Olson
Assignee (at issue)
Zenith Electronics LLC
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.