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All Patents in class 184/51
Patents 16 - 18 of 18
First set of recordsPrevious set of recordsLast set of records
NumberDatePatenteeTitleType
379,243Mar. 13, 1888J. PowellLubricatoroil cups
383,746May 29, 1888E. McCoyLubricatorsteam engine lubricators
465,875Dec. 29, 1891E. McCoyLubricatorsteam engine lubricators
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