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Patents for John Ruggles
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
1Jul. 13, 1836J. RugglesLocomotive steam-engine for rail and other roadssteam locomotives
6,949Dec. 11, 1849J. Vaughan, Jr.Machine for Grinding or Polishing Toolspolishing and buffing machinery
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