Granted Patent
Utility
US 6,663,634 · App. 09/920,730
Bone screw
Inventors:
Michael Ahrens, Urs Schlegel, Silvia Beer
Patented Case
View Patent ↗
Granted: Dec 16, 2003
Filed: Aug 3, 2001
Inventors
Michael Ahrens
Urs Schlegel
Silvia Beer
Assignee (at issue)
Synthes USA, LLC
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.