Granted Patent
Utility
US 5,166,466 · App. 07/706,591
Musical tone control information input manipulator for electronic musical instrument
Inventor:
Akira Yamauchi
Patented Case
View Patent ↗
Granted: Nov 24, 1992
Filed: May 28, 1991
Inventor
Akira Yamauchi
Assignee (at issue)
YAMAHA 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.