| Patents Granted on 1957-04-09 |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 2,787,796 | Apr. 09, 1957 | J. Rosan | Method of Converting Standard Threads into Locking Threads | machining |
| 2,787,823 | Apr. 09, 1957 | C.R. Rutter, W.L. Kennicott | Tool Holder | insert tool holders |
| 2,787,826 | Apr. 09, 1957 | C.N. Aronson | Work holder | work holding |
| 2,787,865 | Apr. 09, 1957 | M.J. Gross | Honing machine and sizing mechanism therefor | honing machines |
| 2,787,866 | Apr. 09, 1957 | M.J. Gross | Plug type gage for honing machines | honing machines |
| 2,787,963 | Apr. 09, 1957 | L.A. Dolan, B.H. Lundgren | Pump | |
| 2,788,035 | Apr. 09, 1957 | W. Veersma | Planer chip breaker micro control | wood planers |
| 2,788,519 | Apr. 09, 1957 | W.D. Caldwell | Position Indicating Device | measurement gauges |
