59,745 – James Haven and Charles Hettrick – Whirligig
You may know this invention by its modern name, yo-yo. The patent was issued on Nov. 20, 1866 to James Haven and Charles Hettrick of Cincinnati, Ohio.
You may know this invention by its modern name, yo-yo. The patent was issued on Nov. 20, 1866 to James Haven and Charles Hettrick of Cincinnati, Ohio.