Granted Patent
Utility
US 6,146,383 · App. 09/241,824
Pivotal securing system at a bone screw
Inventors:
Armin Studer, Cosimo Donno, Markus Frohlich
Patented Case
View Patent ↗
Granted: Nov 14, 2000
Filed: Feb 1, 1999
Inventors
Armin Studer
Cosimo Donno
Markus Frohlich
Assignee (at issue)
Sulzer Orthopaedie AG
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.