Granted Patent
Utility
US 5,683,464 · App. 08/487,592
Spinal disk implantation kit
Inventors:
William R. Wagner, Richard L. Lariviere, Jr., Scott D. Slabbekoorn
Patented Case
View Patent ↗
Granted: Nov 4, 1997
Filed: Jun 7, 1995
Inventors
William R. Wagner
Richard L. Lariviere, Jr.
Scott D. Slabbekoorn
Assignee (at issue)
Sulzer Calcitek 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.