Granted Patent
Utility
US 6,731,979 · App. 09/943,216
Pulse width cardiac pacing apparatus
Inventor:
Stuart MacDonald
Patented Case
View Patent ↗
Granted: May 4, 2004
Filed: Aug 30, 2001
Inventor
Stuart MacDonald
Assignee (at issue)
Biophan Technologies, 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.