ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,433,320, issued on Oct. 7, was assigned to Philip Morris Products S.A. (Neuchatel, Switzerland).
"Method and apparatus for manufacturing a crimped web" was invented by Stefano Zappoli (Bologna, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for manufacturing a crimped web for an aerosol-generating article is provided, the apparatus including: a set of crimping rollers including a first roller and a second roller, each of which is corrugated across at least a portion of a width thereof, the first and the second rollers being arranged such that corrugations of the first roller substantially interleave with corrugations of the second roll...