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Patents for Harry J. Caldwell
Patents 1 - 15 of 16
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NumberDatePatenteeTitleType
2,194,638Mar. 26, 1940H.J. CaldwellHorizontal honing machinehoning machines
2,246,199Jun. 17, 1941H.J. CaldwellHorizontal honing machinehoning machines
2,247,479Jul. 01, 1941H.J. CaldwellHoning machinehoning machines
2,287,085Jun. 23, 1942H.J. CaldwellHoning machinehoning machines
2,322,346Jun. 22, 1943H.J. CaldwellHoning machinehoning machines
2,343,275Mar. 07, 1944H.J. Caldwell, E.Y. SeborgHoning machinehoning machines
2,345,581Apr. 04, 1944H.J. CaldwellMachine tool
2,377,310Jun. 05, 1945H.J. Caldwell, E.Y. SeborgControl mechanism for honing machineshoning machines
2,381,572Aug. 07, 1945H.J. CaldwellControl mechanism for honing machineshoning machines
2,390,495Dec. 11, 1945H.J. CaldwellControl mechanism for honing machineshoning machines
2,397,814Apr. 02, 1946H.J. Caldwell, S.F. Manning, E.Y. SeborgHoning machinehoning machines
2,466,839Apr. 12, 1949H.J. CaldwellMagnetic separator
2,541,202Feb. 13, 1951H.J. CaldwellApparatus for removing entrained particles from liquid coolant
2,564,593Aug. 14, 1951H.J. CaldwellMagnetic separator
2,671,292Mar. 09, 1954E.Y. Seborg, H.J. CaldwellControl Mechanism for Honing Machinesmachine tool controls
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