Granted Patent
Utility
US 5,247,983 · App. 07/768,840
Tire regrooving device
Inventor:
Arthur Inez
Patented Case
View Patent ↗
Granted: Sep 28, 1993
Filed: Sep 30, 1991
Inventor
Arthur Inez
Assignee (at issue)
COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
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.