Granted Patent
Utility
US 5,129,388 · App. 07/582,901
Device for supporting the spinal column
Inventors:
Jean-Louis Vignaud, Jean-Francois Sacriste, Gilles Missenard, Philippe Lapresle
Patented Case
View Patent ↗
Granted: Jul 14, 1992
Filed: Oct 9, 1990
Inventors
Jean-Louis Vignaud
Jean-Francois Sacriste
Gilles Missenard
Philippe Lapresle
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.