Granted Patent
Utility
US 4,875,483 · App. 07/134,464
Implantable cardiac pacer with programmable antitachycardia mechanisms
Inventors:
William Vollmann, Van E. Mumford
Patented Case
View Patent ↗
Granted: Oct 24, 1989
Filed: Dec 17, 1987
Inventors
William Vollmann
Van E. Mumford
Assignee (at issue)
Telectronic SA
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.