Granted Patent
Utility
US 5,196,013 · App. 07/679,086
Pedicel screw and correcting and supporting apparatus comprising such screw
Inventors:
Jürgen Harms, Lutz Biedermann
Patented Case
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Granted: Mar 23, 1993
Filed: Jul 28, 1991
Inventors
Jürgen Harms
Lutz Biedermann
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.