Granted Patent
Utility
US 4,856,524 · App. 07/237,429
A-V responsive rate adaptive pacemaker
Inventor:
Ross G. Baker, Jr.
Patented Case
View Patent ↗
Granted: Aug 15, 1989
Filed: Aug 29, 1988
Inventor
Ross G. Baker, Jr.
Assignee (at issue)
Intermedics Inc.
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.