Granted Patent
Utility
US 6,283,966 · App. 09/348,894
Spinal surgery tools and positioning method
Inventor:
Rodney L. Houfburg
Patented Case
View Patent ↗
Granted: Sep 4, 2001
Filed: Jul 7, 1999
Inventor
Rodney L. Houfburg
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.