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Patents Granted on 1917-07-03
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,231,721Jul. 03, 1917H. DresesFeeding mechanism in metal-working machineryradial drill presses
1,231,880Jul. 03, 1917N.W. Hagen, L. ThielGearingindustrial machine gearing
1,231,946Jul. 03, 1917W.L. SchellenbachTool-holder stop mechanismmetal lathes
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