Granted Patent
Utility
US 6,572,610 · App. 09/935,296
Cryogenic catheter with deflectable tip
Inventors:
Steven W. Kovalcheck, John Hayfield
Patented Case
View Patent ↗
Granted: Jun 3, 2003
Filed: Aug 21, 2001
Inventors
Steven W. Kovalcheck
John Hayfield
Assignee (at issue)
CryoGen, 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.