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Patents for Frederick L. Hall
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
135,508Feb. 04, 1873J. Barsaloux, G.A. PrescottImprovement in slab and siding holders for saw-millssawmill accessories
136,093Feb. 18, 1873J. Barsaloux, G.A. PrescottImprovement in spike-extractorsspike pullers
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