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All Patents of Type: friction clutches
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
423,333Mar. 11, 1890P. MedartFriction Clutchfriction clutches
459,458Sep. 15, 1891P. MedartFriction-clutchfriction clutches
788,726May 02, 1905P. MedartFriction Clutchfriction clutches
893,684Jul. 21, 1908A.W. WhitcombPower Transmitting Devicefriction clutches
1,049,957Jan. 07, 1913A.W. WhitcombFriction Clutchfriction clutches
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