Granted Patent
Utility
US 5,431,688 · App. 08/093,817
Method and apparatus for transcutaneous electrical cardiac pacing
Inventor:
Gary A. Freeman
Patented Case
View Patent ↗
Granted: Jul 11, 1995
Filed: Jul 19, 1993
Inventor
Gary A. Freeman
Assignee (at issue)
ZMD 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.