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Patents for Harry C. H. Walsh
Patents 1 - 7 of 7
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
1,047,349Dec. 17, 1912H.C. WalshSafety device for die-presses and analogous machines
1,099,867Jun. 09, 1914H.C. WalshClutch for die presses
1,146,978Jul. 20, 1915H.C. WalshDie-press
1,406,310Feb. 14, 1922H.C. WalshAutomatic feed mechanism for punch presses
1,928,711Oct. 03, 1933H.C. WalshPower press
1,947,892Feb. 20, 1934H.C. Walsh, E.H. HallPower press control
2,051,116Aug. 18, 1936H.C. Walsh, E.H. HallPower press driving mechanism
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