Granted Patent
Utility
US 4,254,682 · App. 05/917,305
Production of chord notes in a digital organ
Inventors:
William V. Machanian, William R. Hoskinson
Patented Case
View Patent ↗
Granted: Mar 10, 1981
Filed: Jun 20, 1978
Inventors
William V. Machanian
William R. Hoskinson
Assignee (at issue)
The Wurlitzer Company
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.