Granted Patent
Utility
US 5,751,539 · App. 08/640,098
EMI filter for human implantable heart defibrillators and pacemakers
Inventors:
Robert A. Stevenson, Dick H. Ni
Patented Case
View Patent ↗
Granted: May 12, 1998
Filed: Apr 30, 1996
Inventors
Robert A. Stevenson
Dick H. Ni
Assignee (at issue)
Maxwell Laboratories, 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.