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Patents for Geo. Gray
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
148,057Mar. 03, 1874S. HenryImprovement in Tool-Handlescombination tools
152,228Jun. 23, 1874S. HenryAwl-Handlestool holders
183,574Oct. 24, 1876T. KeenanImprovement in Pipe-Wrenchespipe wrenches
184,993Dec. 05, 1876D.C. StillsonWrenchpipe and nut combination wrenches
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