Granted Patent
Utility
US 6,740,091 · App. 10/273,706
Lordotic spinal implant
Inventors:
Douglas W. Kohrs, Paul M. Sand
Patented Case
View Patent ↗
Granted: May 25, 2004
Filed: Oct 16, 2002
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.