Granted Patent
Utility
US 6,074,423 · App. 09/184,729
Safer more X-ray transparent spinal implant
Inventor:
Kevin Lawson
Patented Case
View Patent ↗
Granted: Jun 13, 2000
Filed: Nov 2, 1998
Inventor
Kevin Lawson
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.