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All Patents of Type: punch presses
Patents 1 - 12 of 12
First set of recordsLast set of records
226,612Apr. 20, 1880M. HerzbergMetal Stamping, Punching and Shearing Machinestamping presses
612,001Oct. 04, 1898W.R. JenkinsStamping or Punching Presspunch 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
1,928,711Oct. 03, 1933H.C. WalshPower presspunch presses
1,945,282Jan. 30, 1934B.J. LindgrenSupporting structure for punch presses and the likepunch presses
1,947,892Feb. 20, 1934E.H. Hall, H.C. WalshPower press controlpunch presses
2,051,116Aug. 18, 1936E.H. Hall, H.C. WalshPower press driving mechanismpunch presses
3,239,039Mar. 08, 1966L.M. BurgettPunch press with adjustable rampunch presses
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