Granted Patent
Utility
US 6,763,116 · App. 10/253,871
Hearing aid and operating method therefor with control dependent on the noise content of the incoming audio signal
Inventors:
Roland Barthel, Torsten Niederdrank
Patented Case
View Patent ↗
Granted: Jul 13, 2004
Filed: Sep 24, 2002
Inventors
Roland Barthel
Torsten Niederdrank
Assignee (at issue)
Siemens Audiologische Technik GmbH
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.