Granted Patent
Utility
US 4,499,786 · App. 06/385,364
Coupling of driving member to driven member
Inventor:
Benny Ballheimer
Patented Case
View Patent ↗
Granted: Feb 19, 1985
Filed: Jun 7, 1982
Inventor
Benny Ballheimer
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.