Granted Patent
Utility
US 4,295,276 · App. 05/957,507
Template for aligning a shaft
Inventor:
Rayburn P. Ellington, III
Patented Case
View Patent ↗
Granted: Oct 20, 1981
Filed: Nov 3, 1978
Inventor
Rayburn P. Ellington, III
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.