Granted Patent
Utility
US 6,766,029 · App. 09/146,784
Method for electronically selecting the dependency of an output signal from the spatial angle of acoustic signal impingement and hearing aid apparatus
Inventor:
Joseph Maisano
Patented Case
View Patent ↗
Granted: Jul 20, 2004
Filed: Sep 3, 1998
Inventor
Joseph Maisano
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.