ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,182, issued on Feb. 17, was assigned to INTERNATIONAL PAPER COMPANY (Memphis, Tenn.).
"Apparatus and method for processing wood fibers" was invented by Dwight Edward Anderson (Cincinnati).
According to the abstract* released by the U.S. Patent & Trademark Office: "A refining member comprising a refining body with a refining surface comprising first and second refiner bars separated by first and second refiner grooves, respectively. The first refiner bars extend from a radially inward position to a first radially outward position. The second refiner bars extend to a second radially outward position that is nearer to an outermost part of the refining body than the first radially ou...