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All Patents in class 451/374
Patents 16 - 30 of 41
First set of recordsPrevious set of recordsNext set of recordsLast set of records
717,605Jan. 06, 1903W. OesterleinCutter and tool grindertool grinders
774,030Nov. 01, 1904L.B. BentonGrinding Machine
856,662Jun. 11, 1907G.W. SmithFace-mill grindertool grinders
870,759Nov. 12, 1907H. BaerbalckRelieving Mechanism for Engine Lathesengine lathes
945,463Jan. 04, 1910A.B. LandisMachine for grinding cutters and reamersgrinding machines
1,052,605Feb. 11, 1913S. MacKayGrinding Machinesharpening machines
1,052,649Feb. 11, 1913J.W. BoyntonGrinding Machinesharpening machines
1,075,285Oct. 07, 1913A.L. De LeeuwCutter Setting Dialtool grinders
1,132,551Mar. 23, 1915C. BouillonMechanism for relieving the teeth of cuttersmetal lathe accessories
1,255,962Feb. 12, 1918E.D. Paul, C.C. WarnerGrinding Machine
1,284,721Nov. 12, 1918J. LefevreWork Holder for Cutter Grinding Machines
1,299,208Apr. 01, 1919F. MüllerRelieving Lathebacking off attachments
1,835,476Dec. 08, 1931J.C. DraderGrinding Fixturegrinding fixtures
1,835,687Dec. 08, 1931H.M. AllisonBacking-Off Mechanism for Grinding Machinesgrinding attachments
1,835,733Dec. 08, 1931H.M. Allison, E.A. WalkerBacking Off Mechanism for Grinding Machinesgrinding attachments
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