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Patents Granted on 1987-03-??
Patents 1 - 6 of 6
First set of recordsLast set of records
NumberDatePatenteeTitleType
4,646,599Mar. 03, 1987R.J. BenedictHydraulic Punch Press With Workpiece Stripperpunch presses
4,648,727Mar. 10, 1987J. O'Neil, L.D. PlagensAntifriction bearing assembly for a die set or the likedies for punch presses
4,651,076Mar. 17, 1987N.E. Oltendorf, M. MarhoeferPower maximizing circuit for stepper motorselectric motors
4,651,474Mar. 24, 1987E.C. DavidWide belt sanding machine with platen oscillating meansbelt sanders
4,653,300Mar. 31, 1987C.J. Crout, C.W. Frame, R.N. HarrisAdaptive, self-regulating forging hammer control systemdrop hammers
4,653,561Mar. 31, 1987M. PayeurLog debarking machinedebarking machines
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