| All Patents in class 76/3 |
Patents 1 -
13
of 13
      |
| Number | Title | Classification(s) |
| 66,297 | Improved machine for cutting down augers | 76/3 |
| 117,594 | Improvement in Devices for Resetting Old Auger-Bits | 76/3 |
| 133,238 | Machine for Finishing the Lips & Points of Augers | 76/3 |
| 195,963 | Improvement in machines for clearing twist-drills | 409/76, 76/3 |
| 209,782 | Improvement in the Manufacture of Auger-Bits | 409/76, 451/250, 451/48, 76/102, 76/3 |
| 302,527 | Machine for Milling Augers | 409/64, 76/3 |
| 303,239 | Mechanism for Manufacturing Augers | 409/76, 451/180, 451/222, 76/3 |
| 307,074 | Tool for Cutting the Floor-Lip and Cutting-Spur of Auger-Bits | 76/3 |
| 313,456 | Machine for the Manufacture of Auger-Bits | 409/163, 76/3 |
| 333,689 | Machine for Clearing Twist Drills | 409/167, 76/3 |
| 387,188 | Machine for Cutting Floor-Lips and Spurs on Augers and Bits | 76/3 |
| 486,239 | Machine for Shaping Auger-Heads | 76/3 |
| 1,825,007 | Valve seat reconstruction tool | 408/83.5, 76/115, 76/3, 76/DIG.003 |
