Granted Patent
Utility
US 6,540,740 · App. 09/850,668
Cryosurgical catheter
Inventors:
John W. Lehmann, Dan Wittenberger, Claudia Luckge, Jean-Pierre Lalonde, Cristian Petre, Domenic Santoianni
Patented Case
View Patent ↗
Granted: Apr 1, 2003
Filed: May 7, 2001
Inventors
John W. Lehmann
Dan Wittenberger
Claudia Luckge
Jean-Pierre Lalonde
Cristian Petre
Domenic Santoianni
Assignee (at issue)
CryoCath 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.