Granted Patent
Utility
US 4,339,961 · App. 06/129,924
Pressure-responsive apparatus for assembling track links or the like
Inventors:
John W. Grillot, Teddy R. Young
Patented Case
View Patent ↗
Granted: Jul 20, 1982
Filed: Dec 26, 1979
Inventors
John W. Grillot
Teddy R. Young
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.