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Patents for R. A. Howard
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
21,367Aug. 31, 1858F.W. RobinsonStraw-carrier of threshing-machinesthreshers and thrashers
21,628Sep. 28, 1858F.W. RobinsonImprovement in riddles for threshing-machinesthreshers and thrashers
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