National Museum of American History
M. L. Holt and L. C. Abbott's 1870 School Desk and Seat Patent Model
Holt, M. L. · 1870
M.L. Holt and L.C. Abbott from Eaton, Ohio, received a U.S. patent for an improved school desk and seat. Patent no. 99895 was issued on February 15, 1870.
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