Granted Patent
Utility
US 5,810,821 · App. 08/828,406
Bone fixation screw system
Inventor:
Mark V. Vandewalle
Patented Case
View Patent ↗
Granted: Sep 22, 1998
Filed: Mar 28, 1997
Inventor
Mark V. Vandewalle
Assignee (at issue)
Biomet Limited
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.