Granted Patent
Utility
US 5,224,072 · App. 07/680,329
Read-only memory with few programming signal lines
Inventor:
Hiroaki MATSUBARA
Patented Case
View Patent ↗
Granted: Jun 29, 1993
Filed: Apr 4, 1991
Inventor
Hiroaki MATSUBARA
Assignee (at issue)
OKI ELECTRIC INDUSTRY CO., LTD.
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.