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All Patents in class 81/474
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
2,771,804Nov. 27, 1956J.W. Lehde, Jr., B.R. BetterPredetermined Torque Release Wrenchtorque wrenches
2,819,635Jan. 14, 1958J.W. Lehde, Jr., B.R. BetterPower Operated, Predetermined Torque Release Tooldrilling and boring tool holders
2,857,793Oct. 28, 1958L. PèrasTorque-Limiting Tool Holder for Machine Toolsdrilling and boring tool holders
3,279,286Oct. 18, 1966K.R. LarsonPre-Set Torque Measuring Devicetorque wrenches
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