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All Patents in class 74/450
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
379,198Mar. 06, 1888W.R. FeeWooden Split Pulleyindustrial machine pulleys and belt drive mechanisms
578,731Mar. 16, 1897F.L. Eberhardt, U. EberhardtWrought Metal Gear Wheel and Mechanism for Making Sameindustrial machine gearing
1,415,840May 09, 1922D.C. KlausmeyerSectional Inspective Nutmetalworking machine mechanisms
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