ALEXANDRIA, Va., April 20 -- 3M Innovative Properties, St. Paul, Minnesota, has been assigned a patent (No. 9,944,031, initially filed Jan. 23, 2008) developed by four co-inventors for "molded optical articles and methods of making same." The co-inventors are D. Scott Thompson, Woodbury, Minnesota, Larry D. Boardman, Woodbury, Minnesota, Fedja Kecman, St. Louis Park, Minnesota, and Catherine Leatherdale, Woodbury, Minnesota.

The full-text of the patent can be found at http://patft.u . . .