Granted Patent
Utility
US 6,344,058 · App. 09/638,242
Treating degenerative disc disease through transplantation of allograft disc and vertebral endplates
Inventor:
Bret A. Ferree
Patented Case
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Granted: Feb 5, 2002
Filed: Aug 14, 2000
Inventor
Bret A. Ferree
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.