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Patents for George G. Mc Lauthlin & Co.
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
134,548Jan. 07, 1873J.C. HoadleyCheck-Valvessteam check valves
143,574Oct. 14, 1873J.C. HoadleyDead-Lights for Steam-Boilerslow water alarms
144,098Oct. 28, 1873J.C. HoadleyGovernors for Steam-Enginessteam engine governors
148,560Mar. 17, 1874J.C. HoadleyGovernors for Steam-Enginessteam engine governors
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