ALEXANDRIA, Va., April 7 -- United States Patent no. 12,594,869, issued on April 7.
"Ramp assembly" was invented by Gene O'Brien (Tonka Bay, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A ramp assembly for unloading goods from an elevated platform that includes a platform and a ramp that can be rotated or orbited around a perimeter of a platform without rotating the platform. The ramp assembly uses an orbiting assembly that includes a rail and a rider in order to permit easy placement of a lower end of a ramp relative to the platform."
The patent was filed on Feb. 16, 2024, under Application No. 18/444,008.
*For further information, including images, charts and tables, please visit: http://patft.us...