Granted Patent
Utility
US 5,972,031 · App. 08/936,403
Space holder in particular for a vertebra or an intervertebral disk
Inventors:
Lutz Biedermann, Jürgen Harms
Patented Case
View Patent ↗
Granted: Oct 26, 1999
Filed: Sep 25, 1997
Inventors
Lutz Biedermann
Jürgen Harms
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.