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Patents for Eugene L. Ritter
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
2,572,759Oct. 23, 1951E.L. RitterScrew-Cutting Lathemetal lathe mechanisms
2,711,114Jun. 21, 1955E.L. Ritter, M. RomaineCross Slide Mechanismengine lathes
3,037,329Jun. 05, 1962W.A. Haggerty, E.L. Ritter, H. ErnstMethod and Apparatus for Grinding Drillsdrill sharpening machines
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