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Patents Granted on 1924-05-20
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,494,340May 20, 1924C.M. ConradsonOverarm for Miliing Machinesmilling machine accessories
1,495,080May 20, 1924D.C. KlausmeyerSelf Indicating Variable Spindle Drivemetalworking variable speed mechanisms
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