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Patents for John Pryke
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
921,736May 18, 1909J. Pryke, J. TweedalePantograph Engraving Machinemetal engraving machines
RE12,990Jul. 13, 1909J. Pryke, J.T. RawsthornePantograph Engraving Machinemetal engraving machines
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