Granted Patent
Utility
US 4,006,748 · App. 05/653,463
Implantable unipolar pacemaker with improved outer electrode plate
Inventor:
Joseph H. Schulman
Patented Case
View Patent ↗
Granted: Feb 8, 1977
Filed: Jan 29, 1976
Inventor
Joseph H. Schulman
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.