Granted Patent
Utility
US 5,871,521 · App. 08/698,201
Laser probe for medical treatment
Inventors:
Akira Kaneda, Yoshiteru Ii, Shinichi Nakahara, Jiro Minehisa
Patented Case
View Patent ↗
Granted: Feb 16, 1999
Filed: Aug 14, 1996
Inventors
Akira Kaneda
Yoshiteru Ii
Shinichi Nakahara
Jiro Minehisa
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, LTD.
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.