| Patents Granted on 1957-12-24 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 2,817,103 | Dec. 24, 1957 | H.C. Johnston | Dressing tool | |
| 2,817,151 | Dec. 24, 1957 | R.F. Arnold, R.G. Knudsen | Tappet or Valve Lash Gauge Holder | |
| 2,817,257 | Dec. 24, 1957 | T.J. Kniser | Ratchet Wrench with Supplemental Head Turning Means | ratchet wrenches |
| 2,817,259 | Dec. 24, 1957 | R. Heuser | Adjustment Locking Means for Adjustable Wrenches | screw adjust wrenches |
| 2,817,546 | Dec. 24, 1957 | G.J. Benes | Rod clamps | test indicator holders |
| 2,817,827 | Dec. 24, 1957 | H.H. Burkhardt | Reversing mechanism for impact wrench | |
