ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,741,486, issued on Sept. 22, was assigned to Trail-Eze Inc. (Mitchell, S.D.).

"Trailer apparatus with configurable wheel assembly and underride guard positioning" was invented by Pat Geraets (Mitchell, S.D.), Brent Hohman (Fulton, S.D.) and Dale Dierks (Mitchell, S.D.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A trailer apparatus may have a primary frame structure with a forward end and a rearward end and a longitudinal direction, and a supplemental frame structure movable in the longitudinal direction with respect to the primary frame structure. The supplemental frame structure may include a wheel assembly for supporting the trailer apparatus on a...