Granted Patent
Utility
US 5,800,433 · App. 08/655,851
Spinal column retaining apparatus
Inventors:
Edward C. Benzel, Hansen Yuan, Alex Dinello, Michael Wefers, Aaron C. Smith
Patented Case
View Patent ↗
Granted: Sep 1, 1998
Filed: May 31, 1996
Inventors
Edward C. Benzel
Hansen Yuan
Alex Dinello
Michael Wefers
Aaron C. Smith
Assignee (at issue)
AcroMed Corporation
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.