Granted Patent
Utility
US 4,606,329 · App. 06/736,766
Implantable electromagnetic middle-ear bone-conduction hearing aid device
Inventor:
Jack V. D. Hough
Patented Case
View Patent ↗
Granted: Aug 19, 1986
Filed: Jun 17, 1985
Inventor
Jack V. D. Hough
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.