Granted Patent
Utility
US 5,201,729 · App. 07/621,451
Method for performing percutaneous diskectomy using a laser
Inventors:
Peter S. Hertzmann, Jordan K. Davis
Patented Case
View Patent ↗
Granted: Apr 13, 1993
Filed: Nov 30, 1990
Inventors
Peter S. Hertzmann
Jordan K. Davis
Assignee (at issue)
LASERSCOPE
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.