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Patents Granted on 1812-06-26
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,769XJun. 26, 1812E. GordanManufacturing edge tools of steel in rolling press
1,770XJun. 26, 1812T. WestonPlummets of Lead Used in Teaching Wrifford's Art of Writingteacher
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