Granted Patent
Utility
US 5,809,453 · App. 08/591,766
Methods and apparatus for detecting harmonic structure in a waveform
Inventor:
Melvyn J. Hunt
Patented Case
View Patent ↗
Granted: Sep 15, 1998
Filed: Jan 25, 1996
Inventor
Melvyn J. Hunt
Assignee (at issue)
Dragon Systems UK Limited
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.