ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,431, issued on June 17, was assigned to Maschinenfabrik Rieter AG (Winterthur, Switzerland).

"Module for a fiber preparation machine and fiber preparation machine" was invented by Pascal Meyer (Winterthur, Switzerland) and Lukas Braun (Winterthur, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A module for a fiber preparation machine is a self-supporting element having a cuboid shape with a length (L), a width (B) and a height (H), as well as at least two lateral walls extending in parallel respective planes and spaced apart by the width (B). A cross beam connects the lateral walls to one another. Each of the lateral walls is encompassed...