ALEXANDRIA, Va., April 7 -- United States Patent no. 12,594,788, issued on April 7, was assigned to Continental Reifen Deutschland GmbH (Hannover, Germany).
"Multi-layer tread for use in vehicle tyres" was invented by Justus Romer (Hemmingen, Germany) and Omur Misir (Hannover, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a multi-layer tread for use in vehicle tires, comprising: a) a base layer comprising a first rubber material, and b) a top layer arranged on the base layer and connected to the base layer, wherein the top layer comprises: i) a first side region comprising a second rubber material, ii) a second side region comprising a third rubber material, and iii) a centr...