Granted Patent
Utility
US 5,549,607 · App. 08/397,717
Apparatus for spinal fixation system
Inventors:
Carlton D. Olson, Mark G. Urbanski
Patented Case
View Patent ↗
Granted: Aug 27, 1996
Filed: Mar 2, 1995
Inventors
Carlton D. Olson
Mark G. Urbanski
Assignee (at issue)
Alphatec Manufacturing, Inc.
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.