Granted Patent
Utility
US 6,767,346 · App. 10/057,033
Cryosurgical probe with bellows shaft
Inventors:
Sanford Damasco, Dennis Bui, Xiaoyu Yu
Patented Case
View Patent ↗
Granted: Jul 27, 2004
Filed: Jan 23, 2002
Inventors
Sanford Damasco
Dennis Bui
Xiaoyu Yu
Assignee (at issue)
Endocare, 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.