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All Patents of Type: spanner wrenches
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,303,157May 06, 1919C.P. BrockwaySpline Shaft Spanner Wrenchspanner wrenches
D135,158Mar. 02, 1943H.M. MillerSpanner Wrenchspanner wrenches
2,810,313Oct. 22, 1957R.W. HermansonOpen-End Ratchet Wrenches of the Spanner Typespanner wrenches
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