Granted Patent
Utility
US 5,987,146 · App. 08/832,507
Ear canal microphone
Inventors:
Vincent Pluvinage, Jon C. Taenzer, Steven H. Puthuff
Patented Case
View Patent ↗
Granted: Nov 16, 1999
Filed: Apr 3, 1997
Inventors
Vincent Pluvinage
Jon C. Taenzer
Steven H. Puthuff
Assignee (at issue)
ReSound Corporation
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.