ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,558,658, issued on Feb. 24, was assigned to Prototype Garage LLC (Little Canada, Minn.).
"Drum for processing mixed solid waste" was invented by Haakon Ostenson (Shoreview, Minn.), Greg White (Lino Lakes, Minn.) and Olaf Lee (Columbus, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rotatable drum system includes a frame and a drum rotationally supported thereon. Paddles in an interior of the drum are angularly offset from the longitudinal axis. An eccentric opening offset from the longitudinal axis forms the egress. Mixed solid waste agitated by the paddles while in the drum. Trunnions may support the drum. An actuator may be pivotable with an u...