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U.S. Patents Awarded to Inventors in Wisconsin (Feb. 20)

Feb 20, 2021 - Targeted News Service

ALEXANDRIA, Va., Feb. 20 -- The following federal patents were awarded to inventors in Wisconsin.


3M Innovative Properties Assigned Patent for Method of Making Optical Films, Stacks

ALEXANDRIA, Va., Feb. 20 -- 3M Innovative Properties, St. Paul, Minnesota, has been assigned a patent (No. 10,921,594, initially filed May 23, 2018) developed by four co-inventors for a "method of making optical films and stacks." The co-inventors are Gregg A. Ambur, River Falls, Wisconsin, Timo...