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All Patents of Type: chain and strap wrenches
Patents 1 - 15 of 238
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NumberDatePatenteeTitleType
55,578Jun. 12, 1866D.W. CoggeshallImprovement in Pipe-Wrenchespipe wrenches
114,348May 02, 1871E.H. RobbinsImproved Pipe-Hookchain and strap wrenches
160,179Feb. 23, 1875D. GilbertImprovement in Pipe-Wrencheschain and strap wrenches
181,990Sep. 05, 1876O.H. SmithImprovement in Tubing-Chain Wrencheschain and strap wrenches
218,285Aug. 05, 1879E.S. LeaycraftFrictional Pipe-Wrenchchain and strap wrenches
219,758Sep. 16, 1879R.R. PiperPipe-Wrenchchain and strap wrenches
228,707Jun. 08, 1880W.C. WesterfieldWrench Adapted To Grasping Cylindrical Bodieschain and strap wrenches
235,957Dec. 28, 1880J.O. MorsePipe Tongschain and strap wrenches
238,761Mar. 15, 1881J.J. CarmodyPipe Wrenchchain and strap wrenches
241,674May 17, 1881W.T. KosinskiPipe Wrenchchain and strap wrenches
247,406Sep. 20, 1881N. PurdyPipe Tongschain and strap wrenches
247,987Oct. 04, 1881W.H. BrockChain Wrenchchain and strap wrenches
249,968Nov. 22, 1881T.D. MernanPipe Wrenchchain and strap wrenches
250,641Dec. 13, 1881W.H. BrockChain Wrenchchain and strap wrenches
CA-13,998Jan. 16, 1882A.H. Hardwicke, T.D. MernanImprovements in Pipe Wrencheschain and strap wrenches
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