Granted Patent
Utility
US 4,400,590 · App. 06/219,341
Apparatus for multichannel cochlear implant hearing aid system
Inventor:
Robin P. Michelson
Patented Case
View Patent ↗
Granted: Aug 23, 1983
Filed: Dec 22, 1980
Inventor
Robin P. Michelson
Assignee (at issue)
THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
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.