| Patents Granted on 1987-03-?? |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 4,646,599 | Mar. 03, 1987 | R.J. Benedict | Hydraulic Punch Press With Workpiece Stripper | punch presses |
| 4,648,727 | Mar. 10, 1987 | J. O'Neil, L.D. Plagens | Antifriction bearing assembly for a die set or the like | dies for punch presses |
| 4,651,076 | Mar. 17, 1987 | N.E. Oltendorf, M. Marhoefer | Power maximizing circuit for stepper motors | electric motors |
| 4,651,474 | Mar. 24, 1987 | E.C. David | Wide belt sanding machine with platen oscillating means | belt sanders |
| 4,653,300 | Mar. 31, 1987 | C.J. Crout, C.W. Frame, R.N. Harris | Adaptive, self-regulating forging hammer control system | drop hammers |
| 4,653,561 | Mar. 31, 1987 | M. Payeur | Log debarking machine | debarking machines |
