Granted Patent
Utility
US 6,171,339 · App. 09/081,240
Multi-lumen spinal implant guide and method
Inventors:
Rodney L. Houfburg, Richard A. Erickson
Patented Case
View Patent ↗
Granted: Jan 9, 2001
Filed: May 19, 1998
Inventors
Rodney L. Houfburg
Richard A. Erickson
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.