ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,528,549, issued on Jan. 20, was assigned to White's Welding LLC (Woodward, Okla.).
"Centralizer for an extendable trailer" was invented by Russell Thompson (Woodward, Okla.) and Alexander L. Marks (Edmond, Okla.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An extendable trailer including a nose end for selectively securing the extendable trailer to a vehicle wherein the nose end includes an extendable frame portion. The extendable trailer also includes a tail end having a primary frame to support objects to be transported on the extendable trailer and a central tube member supported by the primary frame. The central tube member includes an inside port...