Granted Patent
Utility
US 5,607,426 · App. 08/606,221
Threaded polyaxial locking screw plate assembly
Inventors:
James D. Ralph, Steve Tatar
Patented Case
View Patent ↗
Granted: Mar 4, 1997
Filed: Feb 23, 1996
Inventors
James D. Ralph
Steve Tatar
Assignee (at issue)
Fastenetix, LLC
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.