Granted Patent
Utility
US 4,982,113 · App. 07/451,687
Signal distributing unit for various input signals different in voltage level
Inventor:
Toshikatsu Jinbo
Patented Case
View Patent ↗
Granted: Jan 1, 1991
Filed: Dec 18, 1989
Inventor
Toshikatsu Jinbo
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.