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Patents Granted on 1849-11-27
Patents 1 - 3 of 3
First set of recordsLast set of records
6,902Nov. 27, 1849C. Learned, S. HughesImprovement in machinery for dressing flour
6,909Nov. 27, 1849J.H. AldrichImprovement in boring-machinesdrilling and boring
6,912Nov. 27, 1849T. ShepardMachinery for dressing barrel-headscooper
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