ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,803, issued on Dec. 9, was assigned to SEARS MANUFACTURING Co. (Davenport, Iowa).

"Active suspension system" was invented by Cole Thomas Brodersen (Davenport, Iowa).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vehicle seat suspension system including a base housing, a platform housing, and a linkage system moveably mounted between the base housing and the platform housing. The linkage system includes a center linkage, a rotary actuator drive system moveably connected to the center linkage where the rotary actuator drive system moves the center linkage over a range of travel, and a control system, where the control system actively signals the rotar...