Granted Patent
Utility
US 6,524,318 · App. 09/484,045
Spinal surgery instruments and methods
Inventors:
Ross A. Longhini, John J. Grabowski, Kevin Guenther, Erik Emstad, Peter J. Pohndorf
Patented Case
View Patent ↗
Granted: Feb 25, 2003
Filed: Jan 18, 2000
Inventors
Ross A. Longhini
John J. Grabowski
Kevin Guenther
Erik Emstad
Peter J. Pohndorf
Assignee (at issue)
Sulzer Spine-Tech 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.