Granted Patent
Utility
US 4,790,079 · App. 07/125,493
Universal joint alignment checking tool
Inventor:
Richard P. Meyers
Patented Case
View Patent ↗
Granted: Dec 13, 1988
Filed: Nov 25, 1987
Inventor
Richard P. Meyers
Assignee (at issue)
DANA LIMITED
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.