Granted Patent
Utility
US 4,447,768 · App. 06/388,152
Motor control device
Inventor:
Nobuhiko Terui
Patented Case
View Patent ↗
Granted: May 8, 1984
Filed: Jun 14, 1982
Inventor
Nobuhiko Terui
Assignee (at issue)
Nippon Kogaku K.K.
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.