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Patents Granted on 1819-11-03
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
3,136XNov. 03, 1819B. HaskillMachine for making combscomb making machines
3,137XNov. 03, 1819J.A. CummingsConveying the true pronunciation of syllables
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