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Patents for Charles A. Pettit
Patents 16 - 30 of 35
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NumberDatePatenteeTitleType
RE5,238Jan. 14, 1873B. WalchImprovement in augersadjustable drill bits
148,968Mar. 24, 1874W.C. MargedantImprovement in expanding pulleysindustrial machine pulleys and belt drive mechanisms
149,494Apr. 07, 1874W.C. MargedantImprovement in planing-machineswood planers
149,495Apr. 07, 1874W.C. MargedantImprovement in molding-machinesmolders
149,499Apr. 07, 1874C.E. McBeth, W.C. MargedantImprovement in planing-machineswood planers
149,736Apr. 14, 1874J.L. ForkerImprovement in wood-sawing machinesdrag saws
151,173May 19, 1874J. ThornleyGrading Levelsinclinometers
152,437Jun. 23, 1874J.T. TunisImprovement in sawssawblades
158,946Jan. 19, 1875S.M. KingImprovement in machines for dressing shinglesshingle machines
167,727Sep. 14, 1875C.P. BaileImprovement in dovetailing-machinesdovetailing machines
170,577Nov. 30, 1875W.C. MargedantImprovement in band sawing-machinesbandsaws
172,092Jan. 11, 1876W.L. CovelImprovement in saw-sharpening machinessaw sharpening machines
204,809Jun. 11, 1878D. GatesImprovement in drag-sawing machinesdrag saws
222,386Dec. 09, 1879W.L. CovelImprovement in saw-sharpening machinessaw sharpening machines
239,703Apr. 05, 1881A.A. BennettHand circular sawhandheld circular saws
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