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| Patents Granted on 1969-01-21 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,422,583 | Jan. 21, 1969 | P.J. Gruber, A.D. Stuckey | Method for Positioning a Roll on a Roll Grinder | roll grinding machines | |
| 3,422,660 | Jan. 21, 1969 | C.C. Countess, Jr., D.T. Rymsza | Movable bolster lowering arrangement | stamping presses | |
| 3,422,724 | Jan. 21, 1969 | C.E. Mattson, R.E. Stobbe, F. Zankl | Mechanism for Effecting Angular Orientation of a Machine Tool Spindle | milling machines | |