Granted Patent
Utility
US 5,545,166 · App. 08/274,971
Spinal segmental reduction derotational fixation system
Inventor:
Robert S. Howland
Patented Case
View Patent ↗
Granted: Aug 13, 1996
Filed: Jul 14, 1994
Inventor
Robert S. Howland
Assignee (at issue)
Advanced Spine Fixation Systems, 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.