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Patents for Thos. Houghton
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
279,896Jun. 19, 1883H. WheelerWrenchquick adjust wrenches
336,715Feb. 23, 1886C.F. HillPlierspliers
384,413Jun. 12, 1888L.O. BarrettDouble Gagemarking gauges
433,913Aug. 05, 1890R.P. SmithTool For Manipulating Insertible Saw Teethwrenches
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