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All Patents of Type: grinder dressers
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
242,046May 24, 1881C.E. RobertsEmery Wheel Dressergrinder dressers
2,468,039Apr. 26, 1949H.A. Hanson, W.M. CochraneDressing Toolgrinder dressers
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