Granted Patent
Utility
US 4,628,479 · App. 06/646,275
Terminal with memory write protection
Inventors:
Arthur N. Borg, Giora Bar-Hai
Patented Case
View Patent ↗
Granted: Dec 9, 1986
Filed: Aug 30, 1984
Inventors
Arthur N. Borg
Giora Bar-Hai
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.