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Patents for Waltham Watch Tool Co.
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
193,609Jul. 31, 1877C. HopkinsImprovement in slide-rests for watch-makers' latheswatchmakers lathes
196,228Oct. 16, 1877C. HopkinsImprovement in watch-makers' latheswatchmakers lathes
570,723Nov. 03, 1896C.E. Van NormanMilling Machinemilling machines
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