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Patents for A. C. Johnston
Patents 1 - 15 of 15
First set of recordsLast set of records
42,203Apr. 05, 1864R.H. LeckyTraction Wheelsteam carriages
73,504Jan. 21, 1868W.S. ColwellImprovement in ploughs
79,134Jun. 23, 1868R.H. LeckyLathe Doglathe dogs
79,361Jun. 30, 1868R.H. LeckyImprovement in Pipe Wrench and Cutterpipe wrenches
79,979Jul. 14, 1868C.W. HubbardImprovement in Saw Handlessaw handles
D3,118Jul. 21, 1868H.M. MyersAxe Trade-Markaxes
81,902Sep. 08, 1868G.W. HeckartImprovement in fifth-wheel benderwood bending machines
92,195Jul. 06, 1869A. KellyShredding-Auger for Barrelscooper
111,396Jan. 31, 1871E. SpragueWoodworker's Leg Viseleg vises
117,944Aug. 08, 1871P. ThompsonImprovement in saws
133,922Dec. 17, 1872W.S. ColwellImprovement in saw-mills
158,809Jan. 19, 1875Z.C. PhillipsImprovement in boring-machinesdrilling and boring
171,999Jan. 11, 1876W. CrumbieImprovement in Pipe-Wrench or Tongspipe tongs
180,429Aug. 01, 1876E.C. KeysImprovement in insertible saw-teethinsertible saw teeth
202,089Apr. 09, 1878H. BadcockPipe Tongspipe tongs
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