Granted Patent
Utility
US 5,498,302 · App. 08/337,665
Surface hardened biocompatible metallic medical implants
Inventor:
James A. Davidson
Patented Case
View Patent ↗
Granted: Mar 12, 1996
Filed: Nov 9, 1994
Inventor
James A. Davidson
Assignee (at issue)
Smith & Nephew Richards, 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.