Granted Patent
Utility
US 4,561,442 · App. 06/542,889
Implantable cardiac pacer with discontinuous microprocessor programmable antitachycardia mechanisms and patient data telemetry
Inventors:
William Vollmann, Van E. Mumford
Patented Case
View Patent ↗
Granted: Dec 31, 1985
Filed: Oct 17, 1983
Inventors
William Vollmann
Van E. Mumford
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.