ALEXANDRIA, Va., June 9 -- United States Patent no. 12,286,333, issued on April 29, was assigned to IP RESERVE PTY LTD (Margate Beach, Australia).
"Levelling ramp assembly" was invented by Mayer Jung (Milton, Australia) and Christoper Roberts (St Lucia, Australia).
According to the abstract* released by the U.S. Patent & Trademark Office: "A levelling ramp assembly having a ramp for supporting a wheel; the ramp having one or more ramp attachment elements located on the ramp face. At least one chock is provided for engaging a wheel whilst on the ramp. The chock having a one or more chock attachment elements located on the chock face such that the ramp attachment elements and chock attachment elements engage to hold the ramp and the chock t...