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All Patents in class 409/88
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
2,100,953Nov. 30, 1937P.M. Henkes, G. GortonEngraving and Related Machinesmetal engraving machines
2,110,873Mar. 15, 1938P.M. Henkes, G. GortonEngraving Machinemetal engraving machines
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