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Patents for Langdon Mitre-Box Co.
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
45,055Nov. 15, 1864L.W. LangdonImprovement in miter-boxesmiter boxes
151,139May 19, 1874L.W. LangdonImprovement in miter-boxesmiter boxes
152,529Jun. 30, 1874A.F. StrongImprovement in miter-boxesmiter boxes
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