US Patent Issued to 3M Innovative Properties on July 21 for "Article and method of manufacture thereof" (Minnesota Inventors)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,664, issued on July 21, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).

"Article and method of manufacture thereof" was invented by Jeffrey L. Solomon (Centerville, Minn.) and Gary E. Gaides (Woodbury, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An article includes a first microstructured layer and a second microstructured layer. The first microstructured layer includes a plurality of first microstructures forming a plurality of first grooves therebetween. The second microstructured layer includes a plurality of second microstructures disposed adjacent to the plurality of first microstructures. The plurality of second micros...