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Patents for H. S. Sprague
Patents 1 - 15 of 86
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75,552Mar. 17, 1868H.N. KingWoodworker's Leg Vise Jawleg vises
82,926Oct. 13, 1868F.A. Deland, L. PhillipsImprovement in mortising-machinesmortising machines
84,722Dec. 08, 1868J.L. WarrenImprovement in sawsdovetail saws
98,475Jan. 04, 1870J. DaviesImprovement in Spoke-Shavespokeshaves
101,249Mar. 29, 1870J. FlowerImprovement in Lathes for Squared Nuts, etc.nut or bolt making machines
101,258Mar. 29, 1870G.B. GoodnowImprovement in saws
101,343Mar. 29, 1870E. AndrewsImprovement in saw-millsreciprocating sawmills
111,164Jan. 24, 1871E. AndrewsImprovement in sawssaw teeth
112,883Mar. 21, 1871E. AndrewsImprovement in saw-millsreciprocating sawmills
118,806Sep. 12, 1871R.M. Lafferty, E.P. SmithImprovement in augershollow bits
128,189Jun. 18, 1872C.A. TowarImprovement in wood-sawing machinesfirewood machines
129,378Jul. 16, 1872J.B. WayneImprovement in head-blocks for sawmillssawmill headblocks
131,252Sep. 10, 1872J. CraigImprovement in Self-Adjusting Pipe Wrenchespipe wrenches
133,135Nov. 19, 1872A.A. WilderImprovement in bolt-machines
RE5,187Dec. 17, 1872E.C. DiceyImprovement in machines for turning logssawmill accessories
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