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Patents for J. M. F. Howard
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
63,770Apr. 09, 1867D.M. WestonImprovement in centrifugal machines for draining sugar and other substancessugar refining apparatus
82,049Sep. 08, 1868D.M. WestonImproved self-balancing centrifugal machinecentrifuges
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