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All Patents in class 192/104B
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
857,636Jun. 25, 1907G.F. LeigerSpeed Regulating Mechanismindustrial machine speed and direction changing mechanisms
RE13,021Sep. 14, 1909G.F. LeigerSpeed Regulating Mechanismindustrial machine speed and direction changing mechanisms
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