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All Patents in class 403/243
Patents 1 - 3 of 3
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NumberDatePatenteeTitleType
4,934Jan. 19, 1847C. HammondHammer
14,058Jan. 08, 1856C. HammondAttaching Hammer-Heads to Shaftshammer handles
260,462Jul. 04, 1882W.H. Dodge, G. PhilionSeparable pulleyindustrial machine pulleys and belt drive mechanisms
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