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Patents for Edwin Bookmyer
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
473,582Apr. 26, 1892H.B. KeiperScrew-cutting plate
530,846Dec. 11, 1894H.B. KeiperScrew-cutting plate
595,312Dec. 14, 1897H.B. KeiperTap Wrenchtap wrenches and die stocks
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