Patents for Daniel C. Hughes


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Patents for Daniel C. Hughes
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
3,108,407	Oct. 29, 1963	D.C. Hughes	Centerless Grinder	centerless grinders
3,113,563	Dec. 10, 1963	D.C. Hughes	Grinding Wheel Crush Dressing Apparatus	grinder dressers