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All Patents in class 81/181
Patents 1 - 15 of 51
First set of recordsNext set of recordsLast set of records
41,554Feb. 09, 1864W. WebsterImprovement in Wrenchescombination tools
45,496Dec. 20, 1864H. HerbertImprovement in Pipe-Tongswrench jaw components
57,506Aug. 28, 1866H. HerbertImprovement in Pipe-Tongspipe tongs
60,380Dec. 11, 1866J.V. JepsonImproved Tool for Cutting Tubespipe wrenches
62,177Feb. 19, 1867J. BalmoreImproved Pipe-Tongs and Cutterpipe wrenches
67,987Aug. 20, 1867J.S. KalbImprovement in Wrench and Pruning-Shears Combinedcombination tools
86,322Jan. 26, 1869P.C. RoweWrenchcombination tools
94,241Aug. 31, 1869J.C. Chapman, A. RobesImprovement in Pipe-Wrench and Pipe-Cutterpipe wrenches
96,776Nov. 16, 1869J.W. CloseImprovement in Combined Screw and Pipe-Wrench and Pipe-Cuttercombination tools
109,747Nov. 29, 1870J.W. MahlonPipe Visepipe and chain vises
114,939May 16, 1871D. HarriganImprovement in Pipe-Cutterspipe jaw attachments for wrenches
124,654Mar. 19, 1872L. AndersonImprovement In Pipe-Wrenchespipe tongs
133,092Nov. 19, 1872A. GomersallImprovement in Pipe-Tongspipe tongs
134,440Dec. 31, 1872J.E. RoachePipe-Tongs and Cutterspipe tongs
147,699Feb. 17, 1874L.F. SmithWrencheswrench combination tools
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