Granted Patent
Utility
US 5,023,813 · App. 07/389,028
Non-volatile memory usage
Inventor:
John Brown
Patented Case
View Patent ↗
Granted: Jun 11, 1991
Filed: Aug 3, 1989
Inventor
John Brown
Assignee (at issue)
International Business Machines 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.