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Patents for George L. Metcalf
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
291,007Dec. 25, 1883W.E. ThayerRatchet Tool Holderratcheting screwdrivers
413,178Oct. 22, 1889E.E. DoeCombined Scratch and Bit Gagemarking gauges
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