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All Patents in class 76/22
Patents 1 - 15 of 17
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NumberDatePatenteeTitleType
15,867Oct. 07, 1856M.D. WippleCutting Round Filesfiles
40,534Nov. 03, 1863T. BurrImprovement in machines for cutting filesmaking files
42,216Apr. 05, 1864W.T. NicholsonImprovement in File Cutting Machinestool making machines
44,998Nov. 08, 1864E.O. PotterMachine for cutting filesmaking files
53,204Mar. 13, 1866A. WeedImprovement in machines for cutting filesmaking files
57,230Aug. 14, 1866A. WeedImproved machine for cutting raspsfile cutting machines
78,681Jun. 09, 1868W.T. NicholsonImproved Machine for Cutting Filestool making machines
91,293Jun. 15, 1869J.B. WestImprovement in machine for cutting raspsfile cutting machines
123,849Feb. 20, 1872A. WeedImprovement in machines for cutting filesfile cutting machines
130,361Aug. 13, 1872G. Ames, W.T. Nicholson, S.B. DeanImprovement in Machines for Cutting Teeth on Cylindersfile cutting machines
141,300Jul. 29, 1873A. WeedImprovement in file-cutting machinesfile cutting machines
209,531Oct. 29, 1878A. WeedImprovement in file-cutting machinefile cutting machines
323,874Aug. 04, 1885H.F. LiebmannFile-cutting machinetool making machines
499,620Jun. 13, 1893A. WeedMachine for making raspsfile cutting machines
532,123Jan. 08, 1895A. WeedFile-cutting machinefile cutting machines
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