Granted Patent
Utility
US 5,980,504 · App. 08/881,527
Method for manipulating tissue of an intervertebral disc
Inventors:
Hugh J. Sharkey, John Ashley, Joel Saal, Jeffrey Saal, Le Trong Le
Patented Case
View Patent ↗
Granted: Nov 9, 1999
Filed: Jun 24, 1997
Inventors
Hugh J. Sharkey
John Ashley
Joel Saal
Jeffrey 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.