| Patents Granted on 1958-03-__ |
Patents 1 -
15
of 21
      |
| Number | Date | Patentee | Title | Type |
| 2,825,268 | Mar. 04, 1958 | G. De Mambro, A.M. De Mambro | Safety shield | |
| 2,825,307 | Mar. 04, 1958 | N.V. Gusching, D.B. Enyeart | Hydraulic control system | |
| 2,825,827 | Mar. 04, 1958 | F.O. Luenberger | Ventilated electric motors | motor cooling |
| 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 |
| 2,826,820 | Mar. 18, 1958 | C. Zelnick | Hole gauges | |
| 2,826,822 | Mar. 18, 1958 | P.G. Noviant | Thread Gages Having Feelers Adapted for Quick Calibration | special purpose gauges |
| 2,826,884 | Mar. 18, 1958 | W.B. Eddison | Apparatus for Applying Sealing Bands | bottle cappers |
| 2,826,942 | Mar. 18, 1958 | F.R. Swanson | Machine for removing burrs from metal | |
| 2,826,945 | Mar. 18, 1958 | A.H. Kleinsorge | Boring Machine | vertical boring mills |
| 2,827,026 | Mar. 18, 1958 | C.A. Mattson, A.W. Mall | Means for cooling internal combustion engines | handheld chainsaws |
