ALEXANDRIA, Va., June 25 -- United States Patent no. 12,337,796, issued on June 24, was assigned to Kelly Industries LLC (Draper, Utah).

"Vehicular ladder system and methods of making and using same" was invented by James E. Kelly (Draper, Utah) and Michael J. Spens (Draper, Utah).

According to the abstract* released by the U.S. Patent & Trademark Office: "A ladder system for a vehicle. The ladder system comprises a mounting bar having a channel extending along a length of the mounting bar. The ladder system includes a pair of securing members securing the mounting bar to a roof rack. The ladder system includes a ladder comprising a first side rail, a second side rail, a first slidable member configured to slide within the first side rail...