ALEXANDRIA, Va., March 3 -- United States Patent no. 12,564,527, issued on March 3, was assigned to Hill-Rom Services Inc. (Batesville, Ind.).

"Patient support apparatus having motorized wheels" was invented by Gavin M. Monson (Batesville, Ind.), Nolan D. Wanner (Milan, Ind.), Jeffrey S. Jelinek (Batesville, Ind.), Jonathan D. Turner (Dillsboro, Ind.), Jonathan K. Moenter (Batesville, Ind.), David C. Newkirk (Lawrenceburg, Ind.), John D. Christie (Batesville, Ind.), Matthew R. Knue (Sunman, Ind.), Nishita Vanita Shashikant (Batesville, Ind.) and Jack B. Sing (Batesville, Ind.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A dual-wheel steerable motorized caster has internal motors that are operated at differ...