Granted Patent
Utility
US 6,540,662 · App. 09/899,594
Method and apparatus for reduced feedback in implantable hearing assistance systems
Inventors:
Kai Kroll, Donald J. Bushek, Scott Meyerson, Paul J. Urbanski
Patented Case
View Patent ↗
Granted: Apr 1, 2003
Filed: Jul 5, 2001
Inventors
Kai Kroll
Donald J. Bushek
Scott Meyerson
Paul J. Urbanski
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.