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All Patents of Type: punch presses
Patents 1 - 15 of 34
First set of recordsNext set of recordsLast set of records
203,111Apr. 30, 1878P. BroadbooksMechanical Movementpunch presses
264,837Sep. 19, 1882H.B. KinneyPower-presspunch presses
369,872Sep. 13, 1887N.E. Burns, L. OlsenCompound Metal Working Machinepunch presses
448,525Mar. 17, 1891D. KennedyPunching Machinepunch presses
583,263May 25, 1897A.C. KronquestClutchpunch presses
636,913Nov. 14, 1899O. MergenthalerPunching-presspunch presses
642,009Jan. 23, 1900W. Lewis, C. Sellers, W. SellersHydraulic Presspunch presses
679,031Jul. 23, 1901A.A. Berghof, F.W. Theberath, G.A. Ohl, Jr., G.A. Ohl, Sr.Power Presspunch presses
1,001,858Aug. 29, 1911J.M. JonesSafety-guardstamping presses
1,032,397Jul. 16, 1912C.M. GardinerSafety-lever attachment for power-pressespunch presses
1,047,349Dec. 17, 1912H.C. WalshSafety device for die-presses and analogous machinespunch presses
1,099,867Jun. 09, 1914H.C. WalshClutch for die pressespunch presses
1,146,978Jul. 20, 1915H.C. WalshDie-presspunch presses
1,245,235Nov. 06, 1917F.J. JareckiScrew-presspunch presses
1,406,310Feb. 14, 1922H.C. WalshAutomatic feed mechanism for punch pressespunch presses
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