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All Patents in class 81/398
Patents 1 - 11 of 11
First set of recordsLast set of records
NumberDatePatenteeTitleType
142,143Aug. 26, 1873J.R. BrownPipe-Tongspipe tongs
150,131Apr. 28, 1874J.R. BrownPipe-Tongspipe tongs
539,012May 07, 1895A.E. SmithPipe Wrenchpipe wrenches
562,719Jun. 23, 1896A.W. FreemanPipe Wrenchpipe wrenches
578,249Mar. 02, 1897M.D. LetteerCombination Toolwrench combination tools
1,568,934Jan. 05, 1926R.J. Bristol, W.C. TullWrenchlocking pliers
2,206,251Jul. 02, 1940F.C. FischerWrenchlocking pliers
2,637,236May 05, 1953M.H. Vergnani, S.E. Vergnani, E. VergnaniLiner for the Jaw Faces of Pipe Wrenchespipe jaw attachments for wrenches
2,672,778Mar. 23, 1954H.T. JonesQuick-Release Toggle Wrenchlocking pliers
2,751,801Jun. 26, 1956J.L. HostetterSelf-Adjusting Plier-Type Toggle Locking Wrenchlocking pliers
2,814,222Nov. 26, 1957E.G. SandersFerrule Crimping Pliers with Replaceable Jawspliers
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