National Museum of American History
Bickford N. Hemenway's 1872 School Desk Patent Model fragment
Hemenway, Bickford N. · 1872
Bickford N. Hemenway from Rockland, Maine, received a U.S. patent for an improvement on adjustability of school desks. Patent no. 129559 was issued on July 16, 1872.
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