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All Patents of Type: flange wrenches
Patents 1 - 10 of 10
First set of recordsLast set of records
NumberDatePatenteeTitleType
411,807Oct. 01, 1889J.F. Guthrie, Jr.Flange Wrenchflange wrenches
466,232Dec. 29, 1891P.G. Metzler, E. HarperFlange Wrenchflange wrenches
487,331Dec. 06, 1892J.W. KellamAdjustable Flange Wrenchflange wrenches
494,310Mar. 28, 1893J. WenningCombined Pipe Wrench, Monkey Wrench and Flange Holderpipe and nut combination wrenches
499,742Jun. 20, 1893J.W. KellamImprovement in Adjustable Flange-Wrenchesflange wrenches
RE11,394Dec. 05, 1893J.W. KellamAdjustable Flange Wrenchflange wrenches
CA-44,957Dec. 26, 1893J.W. KellamWrenchflange wrenches
542,922Jul. 16, 1895W.H. BrockFlange Wrenchflange wrenches
1,152,885Sep. 07, 1915C.G. DennisWrench For Flange Unionsflange wrenches
1,677,637Jul. 17, 1928W.H. JonesPipe Flange Wrenchflange wrenches
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