US Patent Issued to 3M Innovative Properties on Nov. 25 for "Patterned abrasive substrate and method" (Minnesota Inventors)

ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,479,067, issued on Nov. 25, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).

"Patterned abrasive substrate and method" was invented by Joseph B. Eckel (Vadnais Heights, Minn.), Aaron K. Nienaber (Lake Elmo, Minn.), Thomas J. Nelson (Woodbury, Minn.), Ann M. Hawkins (Lake Elmo, Minn.) and Amelia W. Koenig (Minneapolis).

According to the abstract* released by the U.S. Patent & Trademark Office: "Abrasive articles and associated methods are shown that include abrasive particles arranged in one or more symbols on a backing substrate. Examples include shaped abrasive particles arranged into one or more symbols. Other examples include one or more wear particles with a height...