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Patents for Walter Allen
Patents 1 - 11 of 11
First set of recordsLast set of records
132,804Nov. 05, 1872O.A. Haynes, E. CliffImprovement in Lathe Dogslathe dogs
141,828Aug. 12, 1873A.M. StrattanCrozing and Chamfering Planecrozes
148,716Mar. 17, 1874W. KuckImprovement in Metal-Drilling Machinesdrilling and boring
203,822May 21, 1878D. FisherPipe-Wrenchwrench jaw components
212,795Mar. 04, 1879D. FisherPipe and Nut Wrenchwrench jaw components
RE8,867Aug. 19, 1879P.H. KellsImprovement in brick-machinesbrick and tile making machines
231,557Aug. 24, 1880W.H. GloverMonkey Wrenchquick adjust wrenches
362,981May 17, 1887F.E. LeslieTobacco Plug Extractortobacco machinery
432,529Jul. 22, 1890J. HollingworthMilling Machinemilling machines
441,675Dec. 02, 1890R.R. LewisTailor's Measurespecial purpose gauges
771,328Oct. 04, 1904C.N. SchooleyTooltap and die holders
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