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Patents Granted on 1949-07-12
Patents 1 - 7 of 7
First set of recordsLast set of records
NumberDatePatenteeTitleType
2,475,665Jul. 12, 1949W.G. HoelscherDrill Spindle Driving Mechanismmetalworking power transmission
2,475,815Jul. 12, 1949G.C. BurdVacuum cleaning devicedust collectors
2,475,954Jul. 12, 1949W.E. GerbingVariable speed pulleyindustrial machine pulleys and belt drive mechanisms
2,475,955Jul. 12, 1949W.E. GerbingVariable pitch pulleyindustrial machine pulleys and belt drive mechanisms
2,476,189Jul. 12, 1949E. GuetzkowLead Gauge for Screw Threadsmilling machines
2,476,214Jul. 12, 1949E.M. Parsons, Executrix, F.A. Parsons, deceased (Estate of)Pattern Controlled Machine Toolmilling machines
2,476,238Jul. 12, 1949E.P. BullardPump and Motor Transmission with Fluid Purifier
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