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All Patents in class 81/103
Patents 1 - 15 of 31
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NumberDatePatenteeTitleType
217,117Jul. 01, 1879W.B. KilloughWrenchpliers type wrenches
325,010Aug. 25, 1885D.R. PorterWrenchpipe wrenches
340,436Apr. 20, 1886J.A. FairbanksPipe Wrenchpipe wrenches
390,402Oct. 02, 1888J. RosePipe Wrenchpipe wrenches
433,794Aug. 05, 1890F.W. KaschWrenchpipe wrenches
448,958Mar. 24, 1891R. Haberthur, J.M. StowellWrenchquick adjust wrenches
449,410Mar. 31, 1891H. HammondImprovements in Pipe and Other Wrenchespipe wrenches
453,736Jun. 09, 1891M. CumminsRod or Pipe Wrenchpipe wrenches
482,109Sep. 06, 1892W.J. WalkerPipe Wrenchquick adjust wrenches
482,527Sep. 13, 1892D.R. PorterPipe Wrenchscrew adjust wrenches
491,255Feb. 07, 1893W.J. WalkerPipe Wrenchquick adjust wrenches
507,407Oct. 24, 1893S.C. BoleWrenchpipe wrenches
531,299Dec. 25, 1894W.A. BlaisdellPipe-wrenchpipe wrenches
546,443Sep. 17, 1895E. WrightPipe Wrenchpipe wrenches
561,274Jun. 02, 1896J.M. PalmerTongs for Turning Pipespipe tongs
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