ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,427, issued on May 20, was assigned to Melvelle Equipment Corp. Pty Ltd (New South Wales, Australia).
"Gate catch assembly" was invented by Andrew Melvelle (New South Wales, Australia), Ben de Rooy (New South Wales, Australia), Gary Morris (New South Wales, Australia) and Jason Casboult (New South Wales, Australia).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates broadly to a railway track trolley (10) generally comprising a collapsible chassis (12), two pairs of wheels (14a/b) and (16a/b), and a platform assembly (18). The collapsible chassis (12) includes a pair of opposing beams member (20a) and (20b) interconnected by ...