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Patents for John T. Williams
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
652,441Jun. 26, 1900E.J. McClellanMilling Machine Vicemilling machine accessories
655,157Jul. 31, 1900E.J. McClellanBelt Tightenermetalworking machine mechanisms
800,470Sep. 26, 1905E.J. McClellanMilling Machinemilling machines
922,880May 25, 1909E.J. McClellan, G.K. GarvinSpeed Change Gearingmetalworking speed changing mechanisms
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