Granted Patent
Utility
US 6,689,045 · App. 10/015,735
Method and apparatus for improving signal quality in implantable hearing systems
Inventors:
Joel A. Kennedy, Kai Kroll
Patented Case
View Patent ↗
Granted: Feb 10, 2004
Filed: Dec 12, 2001
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.