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All Patents in class 137/542
Patents 1 - 4 of 4
First set of recordsLast set of records
7,886Jan. 07, 1851W. MaguireMachine for jointing stavesbarrel making machines
206,589Jul. 30, 1878F. LunkenheimerSafety-Valvesafety valves
290,450Dec. 18, 1883C. AhrensSafety-valvesafety valves
545,502Sep. 03, 1895H.H. NenneginGas Enginegas and gasoline engines
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