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Patents Granted on 1850-08-27
Patents 1 - 3 of 3
First set of recordsLast set of records
7,589Aug. 27, 1850C.L. AdamcourtExpansible bitadjustable drill bits
7,603Aug. 27, 1850H. KnowlesTeeth for straight and circular sawssawblades
7,608Aug. 27, 1850D. StuartImprovement in blowers of Franklin stoves
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