Granted Patent
Utility
US 4,567,884 · App. 06/446,001
Spinal hook
Inventor:
Charles C. Edwards
Patented Case
View Patent ↗
Granted: Feb 4, 1986
Filed: Dec 1, 1982
Inventor
Charles C. Edwards
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.