| Patents for Wendell R. Curtis |
Patents 1 -
15
of 18
      |
| Number | Title | Classification(s) |
| 146,539 | Reversing Gearings for Metal-Planers | 409/336 |
| 151,627 | Surface Gage | 33/32.2 |
| 153,885 | Improvements in Dies For Forging Lathe-Dogs | 72/472 |
| 156,640 | Improvement in lathes for turning spools | 142/20 |
| 164,391 | Improvement in metal-shearing machines | 83/450, 83/468.6, 83/468.7 |
| 164,392 | Improvement in drop-hammers | 72/436, 72/440 |
| 167,165 | Improvement in die-stocks | 408/215, 408/231, 470/207 |
| 168,412 | Improvement in cranes | 212/230 |
| 170,949 | Improvement in screw-cutting die holders | 470/72 |
| 172,664 | Tool Holder for Metal Turning Lathes | 144/241, 407/117, 407/98 |
| 172,854 | Improvement in Tap-Wrenches | 408/120 |
| 173,780 | Improvement in screw-cutting dies | 408/153 |
| 173,802 | Improvement in Calipers and Dividers | 33/558.01 |
| 183,761 | Dies For Forming Machinists' Hammers | 72/360 |
| D11,425 | Design for Hatchets | 30/308.1, D8/76 |
