Granted Patent
Utility
US 4,901,227 · App. 07/089,871
Microcomputer system
Inventors:
Masahiro Nomura, Yukio Maehashi
Patented Case
View Patent ↗
Granted: Feb 13, 1990
Filed: Aug 27, 1987
Inventors
Masahiro Nomura
Yukio Maehashi
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.