Granted Patent
Utility
US 6,401,721 · App. 09/436,321
Endoscopic bypass grafting method utilizing an inguinal approach
Inventor:
Thomas J. Maginot
Patented Case
View Patent ↗
Granted: Jun 11, 2002
Filed: Nov 8, 1999
Inventor
Thomas J. Maginot
Assignee (at issue)
Cardiothoracic Systems, 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.