Granted Patent
Utility
US 4,936,848 · App. 07/410,913
Implant for vertebrae
Inventor:
George W. Bagby
Patented Case
View Patent ↗
Granted: Jun 26, 1990
Filed: Sep 22, 1989
Inventor
George W. Bagby
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.