Granted Patent
Utility
US 4,841,440 · App. 06/604,274
Control processor for controlling a peripheral unit
Inventors:
Kazuya Yonezu, Keiji Matsumoto
Patented Case
View Patent ↗
Granted: Jun 20, 1989
Filed: Apr 26, 1984
Inventors
Kazuya Yonezu
Keiji Matsumoto
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.