Granted Patent
Utility
US 6,451,045 · App. 09/791,391
Heat exchange catheter having a helically wrapped heat exchanger
Inventors:
Blair D. Walker, Nora Pham, Xochitl Huezo
Patented Case
View Patent ↗
Granted: Sep 17, 2002
Filed: Feb 22, 2001
Inventors
Blair D. Walker
Nora Pham
Xochitl Huezo
Assignee (at issue)
Alsius Corporation
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.