Granted Patent
Utility
US 6,122,549 · App. 08/881,525
Apparatus for treating intervertebral discs with resistive energy
Inventors:
Hugh J. Sharkey, John Ashley, Joel Saal, Jeff A. Saal, Le Trong Le
Patented Case
View Patent ↗
Granted: Sep 19, 2000
Filed: Jun 24, 1997
Inventors
Hugh J. Sharkey
John Ashley
Joel Saal
Jeff A. Saal
Le Trong Le
Assignee (at issue)
Oratec Interventions, 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.