US Patent Issued to 3M Innovative Properties on Feb. 11 for "Abrasive sheet including a plurality of protrusions" (Minnesota, Wisconsin Inventors)

ALEXANDRIA, Va., Feb. 12 -- United States Patent no. 12,220,858, issued on Feb. 11, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).

"Abrasive sheet including a plurality of protrusions" was invented by Paul D. Graham (Woodbury, Minn.), Douglas A. Davis (Cottage Grove, Minn.), Thomas E. Pahl (Cottage Grove, Minn.), John G. Petersen (Center City, Minn.), Graham M. Clarke (Woodbury, Minn.), James J. Kobe (Newport, Minn.), Thomas B. Galush (Roseville, Minn.), Charles R. Wald (Oakdale, Minn.) and Brian W. Lueck (Houlton, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Various embodiments disclosed relate to an abrasive sheet. The abrasive sheet includes a first layer including an abrasive majo...