Granted Patent
Utility
US 6,258,089 · App. 09/314,617
Anterior cervical plate and fixation system
Inventors:
Christopher M. Campbell, Donald E. Anselm, Jason Blain, Joel P. Bales, Dan L. Pastrick, George A. Ramirez, Rick B. Delamarter, Leonard Tokish
Patented Case
View Patent ↗
Granted: Jul 10, 2001
Filed: May 19, 1999
Inventors
Christopher M. Campbell
Donald E. Anselm
Jason Blain
Joel P. Bales
Dan L. Pastrick
George A. Ramirez
Rick B. Delamarter
Leonard Tokish
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.