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Patents for Henry B. Chew
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
5,438XApr. 07, 1829E.V. Freeman, H.B. ChewComposition to Be Used in the Fusion, Refining, or Working of Metals or Oresrefining ores
5,443XApr. 09, 1829H.B. ChewApplication of Friction Wheels to the Axles of Rail Road Carriages or Wagons, the Friction Wheels Being Inside of the Carriage Wheels Themselvesrailroad car brakes
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