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Patents for Harry C. H. Walsh
Patents 1 - 7 of 7
First set of recordsLast set of records
NumberDatePatenteeTitleType
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
1,406,310Feb. 14, 1922H.C. WalshAutomatic feed mechanism for punch pressespunch presses
1,928,711Oct. 03, 1933H.C. WalshPower presspunch 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
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