Granted Patent
Utility
US 4,969,462 · App. 07/390,396
Pacemaker with improved automatic output regulation
Inventors:
Francis John Callaghan, William Vollmann
Patented Case
View Patent ↗
Granted: Nov 13, 1990
Filed: Aug 7, 1989
Inventors
Francis John Callaghan
William Vollmann
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.