Granted Patent
Utility
US 6,364,825 · App. 09/159,915
Method and apparatus for improving signal quality in implantable hearing systems
Inventors:
Joel A. Kennedy, Kai Kroll
Patented Case
View Patent ↗
Granted: Apr 2, 2002
Filed: Sep 24, 1998
Inventors
Joel A. Kennedy
Kai Kroll
Assignee (at issue)
St. Croix Medical, 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.