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Patents for J. F. Hemenway
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
435,375Aug. 26, 1890H.J. WhiteWringer ClampC clamps
D30,237Feb. 21, 1899L.P. SmithMember For Pairs of Plierspliers
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