Granted Patent
Utility
US 6,449,372 · App. 09/472,472
Method for matching hearing aids binaurally
Inventor:
Michael Allen Greminger
Patented Case
View Patent ↗
Granted: Sep 10, 2002
Filed: Dec 27, 1999
Inventor
Michael Allen Greminger
Assignee (at issue)
Phonak AG
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.