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Patents for Robert D. Shafer
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
545,424Aug. 27, 1895R.D. Shafer, F.L. FelgerPipe Wrenchpipe wrenches
D26,766Mar. 16, 1897R.D. ShaferDesign For A Wrenchwrenches
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