Granted Patent
Utility
US 5,220,399 · App. 07/811,504
Wide angle wheel alignment system
Inventors:
Donald J. Christian, James L. Dale, Steven W. Rogers
Patented Case
View Patent ↗
Granted: Jun 15, 1993
Filed: Dec 20, 1991
Inventors
Donald J. Christian
James L. Dale
Steven W. Rogers
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.