Granted Patent
Utility
US 6,296,631 · App. 09/734,201
Flow directed catheter
Inventor:
Sean Chow
Patented Case
View Patent ↗
Granted: Oct 2, 2001
Filed: Dec 12, 2000
Inventor
Sean Chow
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.