ALEXANDRIA, Va., June 6 -- United States Patent no. 12,280,002, issued on April 22, was assigned to Stryker Corp. (Portage, Mich.).

"Patient transport apparatus with defined transport height" was invented by Brandon David Naber (Portage, Mich.), Martin Fecteau (Bothell, Wash.) and Brianna R. Graves (Paw Paw, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Patient transport apparatus with defined transport height comprises a support structure and a litter that are interconnected by a lift mechanism. The support structure comprises a base frame and a plurality of articulable support members or legs. The litter comprises a litter frame and a patient support surface with articulating back and leg sections. ...