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All Patents in class 81/108
Patents 1 - 15 of 20
First set of recordsNext set of recordsLast set of records
42,489Apr. 26, 1864J.C. JohnsonImprovement in Gas-Tongspipe wrenches
54,694May 15, 1866R. CoxPipe Wrenchpipe wrenches
62,177Feb. 19, 1867J. BalmoreImproved Pipe-Tongs and Cutterpipe wrenches
RE2,600May 14, 1867J. BalmoreImprovement in Pipe-Tongs and Cutterpipe tongs
78,047May 19, 1868J.L. BrierlyImprovement in Pipe-Wrench and Cutterpipe wrenches
87,972Mar. 16, 1869H. RichterGas Plierpipe tongs
182,492Sep. 19, 1876H.C. StoufferPipe-Wrenchpipe tongs
221,633Nov. 11, 1879J.H. VintonPipe-Wrenchwrench handle components
287,193Oct. 23, 1883J.L. TaylorPipe Wrenchpipe wrenches
343,233Jun. 08, 1886A.H. EstenCombined pipe wrench and cutterplumber
343,668Jun. 15, 1886J.J. LooneyPipe Wrenchpipe wrenches
456,265Jul. 21, 1891S. BoothroydWrenchwrench jaw components
460,591Oct. 06, 1891E. MurphyPipe Wrenchpipe wrenches
462,583Nov. 03, 1891A.A. Swift, B.W. PerrigoPipe Tongspipe tongs
492,834Mar. 07, 1893G.W. PorterPipe Wrenchpipe wrenches
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