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Patents Granted on 1839-08-29
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,304Aug. 29, 1839S. ColtImprovement in fire-arms and in the apparatus used therewithrevolvers
1,305Aug. 29, 1839E. HallMetal drilldrilling and boring
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