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Patents Granted on 1941-09-16
Patents 1 - 3 of 3
First set of recordsLast set of records
2,255,792Sep. 16, 1941W.C. KressTorque Measuring Wrenchtorque wrenches
2,255,984Sep. 16, 1941E.M. PfauserHydraulic Pump Systemhydraulic pumps
2,256,114Sep. 16, 1941D. HeyerVariable speed drive with multiple beltsindustrial machine pulleys and belt drive mechanisms
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