Granted Patent
Utility
US 4,774,933 · App. 07/122,590
Method and apparatus for implanting hearing device
Inventors:
Jack V. D. Hough, Paul DiCarlo
Patented Case
View Patent ↗
Granted: Oct 4, 1988
Filed: Nov 17, 1987
Inventors
Jack V. D. Hough
Paul DiCarlo
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.