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Patents for Benjamin Dearborn
Patents 1 - 6 of 6
First set of recordsLast set of records
NumberDatePatenteeTitleType
234XFeb. 14, 1799B. DearbornImprovement in Steelyardsscales and balances
247XApr. 30, 1799B. DearbornDouble centered mill for wind or waterwind power apparatus
581XOct. 29, 1804B. DearbornImprovement in candlestickschandler
866XApr. 29, 1808B. DearbornCombination Rule/Bevelfolding rules
2,618XJun. 20, 1816B. DearbornAlternate lift for bricks and mortarelevators and lifts
3,089XMar. 24, 1819B. DearbornImprovement on his balance
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