ALEXANDRIA, Va., May 22 -- 3M Innovative Properties, St. Paul, Minnesota, has been assigned a patent (9,033,765) developed by six co-inventors for a "coated abrasive article and methods of ablating coated abrasive articles." The co-inventors are Edward J. Woo, Woodbury, Minnesota, Pingfan Wu, Woodbury, Minnesota, Patrick R. Fleming, Lake Elmo, Minnesota, Ian R. Owen, Baldwin, Wisconsin, Schoen A. Schuknecht, Hudson, Wisconsin, and Frederick P. LaPlant, St. Paul, Minnesota.

The pat . . .