Granted Patent
Utility
US 5,531,742 · App. 07/821,492
Apparatus and method for computer controlled cryosurgery
Inventor:
Israel Barken
Patented Case
View Patent ↗
Granted: Jul 2, 1996
Filed: Jan 15, 1992
Inventor
Israel Barken
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.