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All Patents of Type: spring clamps
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
D154,898Aug. 23, 1949D.C. BlackmonClampspring clamps
2,519,652Aug. 22, 1950J.M. HargraveSpring clamp with adjustable clamping forcespring clamps
2,667,678Feb. 02, 1954J.M. HargraveHand clampsspring clamps
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