Granted Patent
Utility
US 4,333,377 · App. 06/240,183
Tone generation system for electronic musical instrument
Inventors:
Thomas A. Niezgoda, Carl Oppenheimer
Patented Case
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Granted: Jun 8, 1982
Filed: Mar 3, 1981
Inventors
Thomas A. Niezgoda
Carl Oppenheimer
Assignee (at issue)
Acoustic Standards 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.