Granted Patent
Utility
US 5,403,136 · App. 07/975,577
Threaded fastener especially for orthopaedic purposes
Inventor:
Robert Mathys
Patented Case
View Patent ↗
Granted: Apr 4, 1995
Filed: Feb 9, 1993
Inventor
Robert Mathys
Assignee (at issue)
Synthes USA, 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.