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Patents Granted on 1790-__-__
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
1XJul. 31, 1790S. HopkinsMaking pot and pearl ashes
2XAug. 06, 1790J.S. SampsonManufacturing Candleschandler
3XDec. 18, 1790O. EvansManufacturing flour and mealmiller
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