Granted Patent
Utility
US 5,607,420 · App. 08/088,247
Surgical tool for use with a contact laser
Inventor:
Daniel Schuman
Patented Case
View Patent ↗
Granted: Mar 4, 1997
Filed: Jul 7, 1993
Inventor
Daniel Schuman
Assignee (at issue)
Surgical Laser Technologies, 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.