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All Patents in class 267/175
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
303,252Aug. 12, 1884H.G. AshtonSafety Valvessteam safety valves
2,555,120May 29, 1951J.E. Delaney, A.H. EmeryDial Snap Gauge
2,732,747Jan. 31, 1956F.W. LivermontPredetermined Torque Release Wrench and Spring Adjusting Means Therefor
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