| All Patents in class 76/102 |
Patents 1 -
15
of 22
      |
| Number | Title | Classification(s) |
| 8,491X | Making augers | 76/102 |
| 851 | Machinery for manufacturing double-twist screw-augers | 72/95, 76/102, 76/2 |
| 3,181 | Single Lip Auger Bit & Means of Making | 408/199, 76/102 |
| RE72 | Improvement in machinery for manufacturing double-twist screw-augers | 172/754, 76/102, 76/2 |
| 12,551 | Auger Bit With Detachable Cutting Lip | 408/200, 408/214, 408/233, 76/102 |
| 13,780 | Dies for Making Cook's Bits | 72/332, 72/371, 76/102 |
| 14,561 | Method of Manufacturing Augers | 200/19.11, 76/102 |
| 55,498 | Improvement in Dies for Swaging the Ends of Auger Blanks | 43/23, 72/376, 76/102 |
| 61,208 | Improvement in augers | 408/214, 408/230, 76/102 |
| 68,012 | Manufacture of Single Twist Augers | 72/332, 72/364, 72/376, 76/102 |
| 80,027 | Improvement in the Manufacture of Auger-Bits | 72/470, 72/472, 76/102 |
| 91,503 | Improved Process for Making Augers and Boring-Bits | 76/102 |
| 105,744 | Tapered Hollow Auger | 30/495, 76/102 |
| 112,255 | Improvement in Methods of Forming Spur Lips of Auger Bits | 72/359, 72/373, 76/102 |
| RE5,624 | Machine for Upsetting Cook's Auger Bits | 76/102, 76/2 |
