ALEXANDRIA, Va., June 9 -- United States Patent no. 12,285,380, issued on April 29.
"Bodyweight stabilizing unloading locomotive device" was invented by Richard S. Burns (Phoenix) and Andrew J. D. Burns (Bend, Ore.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A bodyweight stabilizing locomotive device includes a frame configured to support locomotive movement and a stabilizing assembly carried by the frame. The stabilizing assembly has a first spring assembly with a first spring constant, a second spring assembly with a second spring constant different from the first spring constant, and a third spring assembly with a third spring constant different from the first and second spring constants. At least one ...