ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,067, issued on Oct. 21, was assigned to COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN (Clermont-Ferrand, France).
"Tread of a vehicle track" was invented by Frederic Perrin (Clermont-Ferrand, France), David Dean (Clermont-Ferrand, France) and Maxime Pras (Clermont-Ferrand, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rubber caterpillar track (1) has an interior surface (5) intended to collaborate with drive means, and a tread (2) comprising a tread pattern (21) formed of N relief elements made of an elastomeric material which are intended to come into contact with the ground in order to give the caterpillar track (1) traction, each eleme...