Granted Patent
Utility
US 4,590,941 · App. 06/542,515
Cardiac pacer with improved battery system, output circuitry, and emergency operation
Inventors:
Stanley H. Saulson, Edward A. Schroeppel, Peter P. Tarjan
Patented Case
View Patent ↗
Granted: May 27, 1986
Filed: Oct 17, 1983
Inventors
Stanley H. Saulson
Edward A. Schroeppel
Peter P. Tarjan
Assignee (at issue)
CORDIS CORPORATION
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.