Granted Patent
Utility
US 6,626,822 · App. 09/615,414
Implantable microphone having improved sensitivity and frequency response
Inventors:
Eric M. Jaeger, Geoffrey R. Ball, Duane Tumlinson
Patented Case
View Patent ↗
Granted: Sep 30, 2003
Filed: Jul 12, 2000
Inventors
Eric M. Jaeger
Geoffrey R. Ball
Duane Tumlinson
Assignee (at issue)
Symphonix Devices, Inc.
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.