| Patents Granted on 1951-03-13 |
Patents 1 -
5
of 5
      |
| Number | Date | Patentee | Title | Type |
| 2,544,061 | Mar. 13, 1951 | E.T. Barnett | Speed change driving head for power-driven machine | drill presses |
| 2,544,795 | Mar. 13, 1951 | R.G. Knudsen | Reversible Ratchet Mechanism | ratchet wrenches |
| 2,544,814 | Mar. 13, 1951 | E.J. Warren | Assembly for tiltably mounting a circular saw on an arbor | sawblades |
| 2,544,966 | Mar. 13, 1951 | R.E. Schulz | Hydraulically operated chuck | crankshaft lathes |
| 2,545,053 | Mar. 13, 1951 | G.J. Kasselmann, H.J. Siekmann | Lathe Transmission and Control Mechanism | metalworking machine mechanisms |
