Granted Patent
Utility
US 4,766,901 · App. 06/810,877
Rate responsive pacing system using the integrated evoked potential
Inventor:
Frank Callaghan
Patented Case
View Patent ↗
Granted: Aug 30, 1988
Filed: Dec 18, 1985
Inventor
Frank Callaghan
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.