National Museum of American History
William Kline, John Upham, and S. D. Tuttle's 1876 School Desk and Seat Patent Model
U.S. Patent and Trademark Office · 1876
John Upham, William Kline and S. D. Tuttle from Easton, Ohio, received a U.S. patent for an improved school desk and seat. Patent no. 127940 was issued on June 11, 1872.
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