Granted Patent
Utility
US 5,777,632 · App. 08/545,405
Storage control system that prohibits writing in certain areas
Inventor:
Mizue Tanaka
Patented Case
View Patent ↗
Granted: Jul 7, 1998
Filed: Oct 19, 1995
Inventor
Mizue Tanaka
Assignee (at issue)
NEC 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.