Granted Patent
Utility
US 5,986,198 · App. 08/713,405
Method and apparatus for changing the timbre and/or pitch of audio signals
Inventors:
Brian C. Gibson, Christopher Michael Jubien, Brian John Roden
Patented Case
View Patent ↗
Granted: Nov 16, 1999
Filed: Sep 13, 1996
Inventors
Brian C. Gibson
Christopher Michael Jubien
Brian John Roden
Assignee (at issue)
IVL Technologies Ltd.
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.