Granted Patent
Utility
US 6,638,276 · App. 09/876,827
Intervertebral disc device employing prebent sheath
Inventors:
Hugh J. Sharkey, Andy H. Uchida, Huy Phan, John Ashley
Patented Case
View Patent ↗
Granted: Oct 28, 2003
Filed: Jun 6, 2001
Inventors
Hugh J. Sharkey
Andy H. Uchida
Huy Phan
John Ashley
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.