Granted Patent
Utility
US 6,165,219 · App. 09/036,165
Lordotic spinal implant
Inventors:
Douglas W. Kohrs, Paul M. Sand
Patented Case
View Patent ↗
Granted: Dec 26, 2000
Filed: Mar 6, 1998
Inventors
Douglas W. Kohrs
Paul M. Sand
Assignee (at issue)
Sulzer Spine-Tech 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.