Granted Patent
Utility
US 4,575,796 · App. 06/701,269
Information processing unit
Inventor:
Ikutaro Wako
Patented Case
View Patent ↗
Granted: Mar 11, 1986
Filed: Feb 13, 1985
Inventor
Ikutaro Wako
Assignee (at issue)
NIPPON ELECTRIC 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.