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All Patents in class 137/624.13
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
604,241May 17, 1898D.M. TuttleGas Enginegas and gasoline engines
873,822Dec. 17, 1907F.L. WolfeWhistle Valvevalves
1,792,222Feb. 10, 1931H.H. HardingeOil burnerindustrial furnaces
2,671,292Mar. 09, 1954E.Y. Seborg, H.J. CaldwellControl Mechanism for Honing Machinesmachine tool controls
4,789,001Dec. 06, 1988L.W. Durham, B.S. BackeOperating System for a Valve
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