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Patents for Edwin Bookmyer
Patents 1 - 3 of 3
Number	Date	Patentee	Title	Type
473,582	Apr. 26, 1892	H.B. Keiper	Screw-cutting plate
530,846	Dec. 11, 1894	H.B. Keiper	Screw-cutting plate
595,312	Dec. 14, 1897	H.B. Keiper	Tap Wrench	tap wrenches and die stocks

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