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US Patent: 193,555
Improvement in routing-machines for engravers' use
Patentees: John Royle, Jr. (exact or similar names) - Paterson, NJ Vernon Royle (exact or similar names) - Paterson, NJ USPTO Classifications: 144/150, 409/183 Tool Categories: trade specific : engraver woodworking machines : cutter head machines : routing machines Assignees: None Manufacturer: John Royle & Sons - Paterson, NJ Witnesses: Unknown	Patent Dates: Applied: May 02, 1877 Granted: Jul. 24, 1877 Patent Pictures: [ 1 | 2 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for John Royle & Sons

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