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Patents for John Royle Jr.
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
193,555Jul. 24, 1877V. Royle, J. Royle, Jr.Improvement in routing-machines for engravers' useengraver
304,864Sep. 09, 1884V. Royle, J. Royle, Jr.Machine for repeating pattern-cards
374,707Dec. 13, 1887V. Royle, J. Royle, Jr.Routing-machinerouting machines
442,826Dec. 16, 1890V. Royle, J. Royle, Jr.Routing-machinerouting machines
639,617Dec. 19, 1899V. RoyleShoot-planeshooting board planes
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