Granted Patent
Utility
US 6,074,422 · App. 09/064,137
Inner ear implant device
Inventors:
Peter G. Berrang, Alan Lupin
Patented Case
View Patent ↗
Granted: Jun 13, 2000
Filed: Apr 22, 1998
Inventors
Peter G. Berrang
Alan Lupin
Assignee (at issue)
Epic Biosonics 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.