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Patents Granted on 1812-12-10
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,847XDec. 10, 1812R. SmetherBridles
1,848XDec. 10, 1812J.(. SanfordBoring rocksstonemason
GB-181,203,621Dec. 10, 1812J. Lean, Jr., R.W. Fox, Jr.Improvements on steam engines and the apparatus needful or expedient to be used with the samesteam engines
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