ALEXANDRIA, Va., Feb. 26 -- United States Patent no. D1,064,193, issued on Feb. 25, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).
"Flow controller for static mixer" was invented by James J. Haffely (Maplewood, Minn.).
The patent was filed on Nov. 3, 2021, under Application No. D/790,069.
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