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Patents for Louis A. Curtis
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
201,362Mar. 19, 1878A.S. SmithImprovement in oil-cupsoil cups
204,962Jun. 18, 1878G.H. FoxImprovement in adjustable ladder-trusses
216,624Jun. 17, 1879B. Noyes, M.C. MayoImprovement in devices for suspending swings, &c.
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