Granted Patent
Utility
US 4,612,915 · App. 06/737,188
Direct bone conduction hearing aid device
Inventors:
Jack V. D. Hough, Gordon L. Richard, Kenneth Edward Barton, Paul DiCarlo, Robert Y. Chow
Patented Case
View Patent ↗
Granted: Sep 23, 1986
Filed: May 23, 1985
Inventors
Jack V. D. Hough
Gordon L. Richard
Kenneth Edward Barton
Paul DiCarlo
Robert Y. Chow
Assignee (at issue)
Xomed, 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.