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Patents for Robert R. Brown
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
80,691Aug. 04, 1868I. WilliamsImprovement in Weather-Board Gage and Restclapboard markers
80,692Aug. 04, 1868I. WilliamsImprovement in Gages for Weather-Boardingmeasuring rods
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