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All Patents in class 74/473.24
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,172,341Feb. 22, 1916E.P. Bullard, Jr.Speed Changing Mechanismmetalworking speed changing mechanisms
1,497,569Jun. 10, 1924D.C. KlausmeyerInterlocking Control for Change Gearsmetalworking machine mechanisms
1,765,592Jun. 24, 1930H.E. Darby, D.C. KlausmeyerSingle Lever Eight-Speed Shift Mechanismmetalworking speed changing mechanisms
2,281,921May 05, 1942F.W. CurtisTumble Change Gear Mechanismmilling machines
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