| Patents for Govro-Nelson Co. |
Patents 1 -
8
of 8
      |
| Number | Title | Classification(s) |
| 2,053,514 | Automatic feed head | 408/129, 73/551, 74/22R |
| RE21,341 | Automatic feed head | 74/840 |
| 2,280,115 | Drilling machine | 318/368, 74/840 |
| 2,426,386 | Automatic feed head | 173/19, 318/366, 408/129, 408/130 |
| 2,532,207 | Automatic feed head | 408/129, 470/164, 470/176, 470/181, 74/25 |
| 2,618,179 | Hydraulic control for drill feeding units | 408/130, 74/840 |
| 3,091,137 | Drilling and tapping machine | 173/19, 408/130, 408/17, 408/702 |
| 4,369,956 | Self-centering fixture | 269/235, 269/238, 269/282, 269/283, 269/34 |
