Granted Patent
Utility
US 4,154,131 · App. 05/808,606
Digital arpeggio system
Inventors:
Richard L. Studer, Russell L. Withington
Patented Case
View Patent ↗
Granted: May 15, 1979
Filed: Jun 21, 1977
Inventors
Richard L. Studer
Russell L. Withington
Assignee (at issue)
D. H. Baldwin 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.