| All Patents in class 408/135 |
Patents 1 -
15
of 74
      |
| Number | Title | Classification(s) |
| 34,137 | Improvement in boring-machines | 144/106, 408/135 |
| 103,157 | Improvement in Spoke-Tenoning and Hub-Boring Machines | 408/135, 408/236 |
| 120,716 | Improvement in boring-machines | 292/DIG.035, 408/135, 408/138 |
| 124,091 | Improvement in Boring Machines | 408/135, 82/132 |
| 241,483 | Machine for boring metal | 29/29, 408/135, 74/371 |
| 275,604 | Machine for Shaping, Drilling, Boring and Facing | 29/29, 408/135, 408/30, 409/321 |
| 287,366 | Drilling-machine | 408/135, 74/625 |
| 313,114 | Vertical drill | 408/135 |
| 321,196 | Drilling-Machine | 173/146, 279/103, 408/126, 408/133, 408/135, 74/333, 74/423 |
| 331,075 | Drilling-machine | 408/133, 408/135, 74/625 |
| 340,615 | Drilling-machine | 408/133, 408/135, 74/625, 74/724 |
| 380,486 | Drilling-machine | 144/103, 408/135, 408/236 |
| 395,592 | Feed attachment for drilling-machines | 144/92, 408/135, 408/235, 74/842 |
| 410,803 | Drilling-machine | 408/128, 408/135, 74/813L |
| 452,991 | Spindle feed for drill press | 254/103, 408/135, 475/169, 475/175, 475/176, 475/177 |
