| Patents Granted on 1957-11-19 |
Patents 1 -
10
of 10
      |
| Number | Date | Patentee | Title | Type |
| 2,813,280 | Nov. 19, 1957 | L.B. Huffman | Machine tool for drilling and tapping holes | tapping machines |
| 2,813,382 | Nov. 19, 1957 | R.F. Pendergast | Sanding machine having means for preventing belt creeping | sanding machines |
| 2,813,392 | Nov. 19, 1957 | E. Woosey | Machines for Wrapping Flexible Material on Cores | tape winding machines |
| 2,813,444 | Nov. 19, 1957 | C.R. Hatch, Jr. | Adjustment Locking Means for Adjustable Wrenches | screw adjust wrenches |
| 2,813,469 | Nov. 19, 1957 | H. Nerwin | Photographic Camera | cameras |
| 2,813,558 | Nov. 19, 1957 | D.H. Pedersen | Rotatable cutting tool with detachable blade | cutterheads |
| 2,813,597 | Nov. 19, 1957 | M.W. First | Multi-dust collectors | |
| 2,813,762 | Nov. 19, 1957 | P.K. Bridenbaugh | Self Aligning Bearing | industrial machine bearings |
| 2,813,763 | Nov. 19, 1957 | A.C. Eisenhart | Lubricant cooling system | motor cooling |
| 2,814,007 | Nov. 19, 1957 | C.E. Greene, R.B. Lesher | Automatic Cycle Machine Tool | automatic lathes |
