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All Patents in class 192/69.8
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,218,784Mar. 13, 1917W.F. Groene, R.K. Le BlondPositive Apron Drive for Lathesengine lathes
2,016,806Oct. 08, 1935W.L. SchellenbachClutchindustrial machine clutches
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