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Patents for Patrick H. Lawler
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
76,782Apr. 14, 1868P.H. LawlerImprovement in shingle machinesshingle machines
85,104Dec. 22, 1868W.H. Gibson, P.H. LawlerImproved gas-machine
106,260Aug. 09, 1870J.B. DoughertyImprovement in machine for manufacturing hoopshoop making machines
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