ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,539,996, issued on Feb. 3, was assigned to Altria Client Services LLC (Richmond, Va.).

"Doser assemblies, apparatuses including a doser assembly, and/or methods of making the same" was invented by Jarrod Wayne Chalkley (Mechanicsville, Va.) and Loren Theodore Duvekot (Goochland, Va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In an example embodiment, a doser assembly includes a hopper assembly configured to receive plant material, a bracket assembly connected to the hopper assembly, and a roller in a hopper opening defined by the hopper assembly extending through the hopper assembly. An interior surface of the hopper assembly may define the hopper op...