| Patents Granted on 1958-03-11 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| D182,318 | Mar. 11, 1958 | M. Boone, R.B. Wright | Socket Wrench | socket wrenches |
| 2,825,959 | Mar. 11, 1958 | W. Bader | Tool Holder | insert tool holders |
| 2,826,053 | Mar. 11, 1958 | H.Q. Munn | Floating Tool Holder | drilling and boring tool holders |
| 2,826,107 | Mar. 11, 1958 | R.G. Woods | Ratcheting Torque-Limiting Wrench | ratchet wrenches |
| 2,826,189 | Mar. 11, 1958 | S. Kirzner | Dressing Tool Holder | grinder dressers |
| 2,826,540 | Mar. 11, 1958 | G.F. Keeleric | Method and apparatus for electrolytic cutting, shaping, and grinding | electrochemical machining |
