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Patents for John E. Caster
Patents 16 - 17 of 17
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NumberDatePatenteeTitleType
2,033,324Mar. 10, 1936L.F. Nenninger, J.E. CasterProcess of Grindinggrinding machines
2,063,659Dec. 08, 1936J.E. Caster, C. BoothInternal Grinding Fixturegrinding machines
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