Granted Patent
Utility
US 6,270,494 · App. 09/382,533
Stretchable cryoprobe sheath
Inventors:
Steven W. Kovalcheck, John D. Dobak, III
Patented Case
View Patent ↗
Granted: Aug 7, 2001
Filed: Aug 25, 1999
Inventors
Steven W. Kovalcheck
John D. Dobak, III
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.