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Patents Granted on 1840-10-08
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,809Oct. 08, 1840R. DanielsManufacture of cloth of various kinds by the employment of wool and silk obtained by reducing worn-out woolen and silk goods into the fibrous state
1,811Oct. 08, 1840J.S. IvesMachine for cutting the teeth of combscomb making machines
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