Granted Patent
Utility
US 4,163,407 · App. 05/759,822
Programmable rhythm unit
Inventor:
Peter E. Solender
Patented Case
View Patent ↗
Granted: Aug 7, 1979
Filed: Jan 17, 1977
Inventor
Peter E. Solender
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.