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All Patents of Type: pipe wrenches
Patents 1 - 15 of 1302
First set of recordsNext set of recordsLast set of records
6,002Jan. 02, 1849F.H. Bartholomew, S. MerrickScrew Wrench For Grasping Cylindrical Formspipe wrenches
15,184Jun. 24, 1856G.A. JenksWrench for Gas-Pipe, etc.pipe wrenches
18,135Sep. 08, 1857H.M. ClarkHinged Claw and Screw-Adjusting Gripper Wrenchpipe wrenches
19,842Apr. 06, 1858H.H. GilmorePipe-Tongspipe tongs
20,407Jun. 01, 1858A.G. CoesImproved Wrench or Pipe-Tongs for Turning or Revolving Cylindrical Bodiespipe tongs
22,157Nov. 30, 1858J.R. BrownPipe-Tongspipe tongs
23,857May 03, 1859G.B. PhillipsImprovement in Slide-Wrenches for Turning Gas Pipes and Other Round Articlespipe wrenches
24,175May 24, 1859H.J. BehrensImproved Gripping Wrenchpipe wrenches
24,927Aug. 02, 1859J.R. BrownPipe-Tongspipe tongs
26,530Dec. 20, 1859G. SmithImprovement in Grippers for Grasping and Turning Cylindrical Articlespipe wrenches
26,544Dec. 20, 1859J.R. BrownPipe-Cutterpipe tongs
27,622Mar. 27, 1860J.H. DoolittleImproved Pipe-Wrenchpipe wrenches
28,053May 01, 1860W.F. BeecherPipe-Wrenchpipe wrenches
30,579Nov. 06, 1860W. KearneyImprovements in Wrenches for Pipes and Stud-Boltspipe wrenches
31,034Jan. 01, 1861E. RipleyImprovements in Wrenches for Turning Pipes, Round Bolts, and Similar Articlespipe wrenches
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