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Patents Granted on 1845-02-__
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
3,914Feb. 12, 1845S. WhippleMachine for cutting filesmaking files
GB-184,510,525Feb. 17, 1845T.B. JordanImprovements in Machinery and Apparatus for Cutting, Carving and Engravingcarving machines
3,927Feb. 24, 1845J. ArndtMachine for filing sawssaw sharpening machines
3,931Feb. 28, 1845S. TalbottSteam-valvesteam engine valves
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