Granted Patent
Utility
US 6,415,693 · App. 09/921,220
Sleeve-shaped device to retain screws while these are turned into an object such as a bone by means of a screw driver
Inventors:
Bernd Simon, Ole Prien
Patented Case
View Patent ↗
Granted: Jul 9, 2002
Filed: Aug 2, 2001
Inventors
Bernd Simon
Ole Prien
Assignee (at issue)
Stryker Trauma GmbH
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.