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Patents for L. D. Heinrichs
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
510,414Dec. 12, 1893N. EcclesWrenchquick adjust wrenches
D27,542Aug. 17, 1897R. WhitakerHorseshoe Calk
CA-62,580Feb. 07, 1899A.W. Ashworth, R. AshworthWrenchpipe wrenches
627,466Jun. 27, 1899A.W. Ashworth, R. AshworthWrenchwrench jaw components
628,218Jul. 04, 1899A.W. Ashworth, R. AshworthWrenchpipe wrenches
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