Granted Patent
Utility
US 4,220,156 · App. 05/957,440
Low power implantable apparatus and method for receiving an AM signal
Inventors:
Joseph H. Schulman, Wayne A. Morgan
Patented Case
View Patent ↗
Granted: Sep 2, 1980
Filed: Nov 3, 1978
Inventors
Joseph H. Schulman
Wayne A. Morgan
Assignee (at issue)
Pacesetter Systems, 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.