Granted Patent
Utility
US 5,645,598 · App. 08/631,135
Spinal fusion device with porous material
Inventor:
Robert Brosnahan
Patented Case
View Patent ↗
Granted: Jul 8, 1997
Filed: Apr 15, 1996
Inventor
Robert Brosnahan
Assignee (at issue)
SMITH & NEPHEW, 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.