Granted Patent
Utility
US 5,716,353 · App. 08/642,658
Cryosurgical instrument
Inventors:
David G. Matsuura, Paul F. Zupkas
Patented Case
View Patent ↗
Granted: Feb 10, 1998
Filed: May 3, 1996
Inventors
David G. Matsuura
Paul F. Zupkas
Assignee (at issue)
URDS, Corp.
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.