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Patents Granted on 1935-12-10
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
2,023,421Dec. 10, 1935D. HeyerFlexible power transmission deviceindustrial machine pulleys and belt drive mechanisms
2,023,779Dec. 10, 1935E.P. BullardMultiple Spindle Metal Working Apparatusvertical turret lathes
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