| Patents Granted on 1957-03-05 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| D179,799 | Mar. 05, 1957 | R.O. Ernest | Portable electric sander | handheld power sanders |
| CA-537,861 | Mar. 05, 1957 | W.F. Lamison | Cutlery sharpener | sharpening apparatus |
| 2,783,527 | Mar. 05, 1957 | A. Davidson | Tool Holder | metalworking machine tool holders |
| 2,783,542 | Mar. 05, 1957 | J.E. Hastings | Height Gauge | height gages |
| 2,783,664 | Mar. 05, 1957 | V.C. Johnson | Turret Attachment for Lathes | lathe tool holders and tool posts |
| 2,783,782 | Mar. 05, 1957 | S.G. Blumensaadt, J.C. Lincoln | Wire Bending Machine | spring making machines |
