| Patents Granted on 1930-05-__ |
Patents 1 -
15
of 40
      |
| Number | Title | Classification(s) |
| GB-328,475 | Improvements relating to horizontal boring and facing machines | |
| GB-328,687 | Improvements in or Relating to Apparatus for Delivering Measured Quantities of Liquid | |
| DE-497,052 | Machine for Grinding Balls Between Rotating Grinding or Guide Disks in a Threefold Arrangement | |
| FR-680,778 | Improvements to Grinding Machines | |
| 1,756,949 | Portable Grinding Tool | 451/294, 451/363, 451/435 |
| 1,757,155 | Variety lathe | 142/21, 142/38, 142/43, 144/142, 144/46, 82/137, 82/19 |
| 1,757,452 | Hammer-mill rotor | 241/194 |
| 1,757,612 | Centerless Grinding Machinery | 451/244, 451/335 |
| 1,757,679 | Clamping device | 451/499, 451/500 |
| 1,757,721 | Tappet | 123/90.52 |
| 1,757,785 | 3-wheel bandsaw | 83/62.1, 83/810 |
| 1,758,013 | Adjustable Wrench | 81/127 |
| 1,758,023 | Lathe | 82/117, 82/148 |
| 1,758,069 | Bit Extension | 279/90 |
| 1,758,080 | Governor | 137/479, 137/516, 138/46 |
