Granted Patent
Utility
US 4,283,093 · App. 05/953,717
Track adjuster and guard
Inventor:
Lawrence R. Cline
Patented Case
View Patent ↗
Granted: Aug 11, 1981
Filed: Oct 23, 1978
Inventor
Lawrence R. Cline
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.