ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,766,055, issued on Oct. 20, was assigned to FUJI WORLD Co. Ltd. (Toyota, Japan).
"Multi-wheeled wheelchair" was invented by Yuichi Ando (Toyota, Japan) and Tetsuaki Kawata (Toyota, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a multi-wheeled wheelchair that can be used both indoors and outdoors, is lightweight, low cost, and highly practical. A multi-wheeled wheelchair including a body frame, and a front wheel, a middle wheel, and a rear wheel provided on both left and right sides of the body frame includes a first rocker link having a first one end part that pivotally supports the front wheel, a first swinging part swingably connect...