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Patents Granted on 1802-12-22
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
412XDec. 22, 1802J. Nichols, E. Chapman, D. PettiboneManner of Welding Cast Iron to Steelblacksmith
GB-180,202,673Dec. 22, 1802M. BillingsleyMachine for boring cylindersvertical boring mills
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