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Patents for John J. Hughes
Patents 1 - 3 of 3
Number	Date	Patentee	Title	Type
3,468,179	Sep. 23, 1969	J.J. Hughes, R.K. Sedgwick	Recirculating ball worm drive	metalworking power transmission
4,135,848	Jan. 23, 1979	J.P. Bliss, J.W. Turner, T.F. Lis, J.J. Hughes	Toolholder Clamp for Machine Tools	metalworking machine tool holders
4,238,167	Dec. 09, 1980	D.M. Brugger, J.J. Hughes	Toolholder Adapter	metalworking machine tool holders

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