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Patents Granted on 1976-08-31
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
3,977,126Aug. 31, 1976E.E. Woldyka, F.A. HohlerGrinding Machineprofile and contour grinders
3,977,621Aug. 31, 1976H.W. HuffmanDifferential driven rewinder-unwinder
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