Granted Patent
Utility
US 6,811,550 · App. 10/193,811
Safety cryotherapy catheter
Inventors:
Timothy Douglas Holland, James Joye, Ronald Williams, Richard S. Williams
Patented Case
View Patent ↗
Granted: Nov 2, 2004
Filed: Jul 11, 2002
Inventors
Timothy Douglas Holland
James Joye
Ronald Williams
Richard S. Williams
Assignee (at issue)
Cryovascular 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.