Granted Patent
Utility
US 4,268,019 · App. 06/085,649
Fixture and method for repairing track links
Inventor:
Dean W. Martin
Patented Case
View Patent ↗
Granted: May 19, 1981
Filed: Apr 30, 1979
Inventor
Dean W. Martin
Assignee (at issue)
Caterpillar Tractor Co.
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.