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Patents for John Pryke | |||||
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Number | Date | Patentee | Title | Type | |
921,736 | May 18, 1909 | J. Pryke, J. Tweedale | Pantograph Engraving Machine | metal engraving machines | |
RE12,990 | Jul. 13, 1909 | J. Pryke, J.T. Rawsthorne | Pantograph Engraving Machine | metal engraving machines |