Granted Patent
Utility
US 6,682,472 · App. 09/936,687
Tinnitus rehabilitation device and method
Inventor:
Paul Benjamin Davis
Patented Case
View Patent ↗
Granted: Jan 27, 2004
Filed: Sep 17, 2001
Inventor
Paul Benjamin Davis
Assignee (at issue)
TINNITECH 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.