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Patents for Albert Sperry
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
448,863Mar. 24, 1891G.E. NeuberthSurface Gagesurface gauges
517,612Apr. 03, 1894H.J. HendeySuspension Metal Shapermetal shapers
517,613Apr. 03, 1894H.J. HendeyCombination Metal Shapermetal shapers
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