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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.