Granted Patent
Utility
US 6,792,115 · App. 09/716,167
Apparatus for generating harmonics in an audio signal
Inventor:
Matthias Vierthaler
Patented Case
View Patent ↗
Granted: Sep 14, 2004
Filed: Nov 17, 2000
Inventor
Matthias Vierthaler
Assignee (at issue)
Micronas GmbH
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.