| All Patents in class 81/155 |
Patents 1 -
15
of 31
      |
| Number | Title | Classification(s) |
| 7,362 | Revolving-Jaw Wrench | 81/155 |
| 13,456 | Dale's Adjustable Reversible Ratchet-Wrench | 81/155, 81/58.1 |
| 25,571 | Nut Wrench | 269/215, 81/155 |
| 28,300 | Improved Slide Wrench | 269/226, 269/240, 81/155, 84/291 |
| 31,034 | Improvements in Wrenches for Turning Pipes, Round Bolts, and Similar Articles | 81/155, 81/98 |
| 54,820 | Improved Pipe-Tongs | 81/155, 81/389, 81/426 |
| 54,888 | Improvement in Wrenches | 269/233, 81/155 |
| 62,062 | Pipe Tongs and Cutter | 81/155, 81/180.1, 81/388 |
| 65,111 | Pipe Wrench | 81/100, 81/101, 81/155 |
| 82,627 | Engravers Vise | 269/218, 269/232, 279/114, 81/155, 81/4 |
| 133,402 | Wrenches | 81/155, 81/61, 81/63 |
| 155,862 | Improvement in screw-presses | 74/89.45, 81/155 |
| 166,020 | Wrench | 81/155, 81/174 |
| 172,241 | Monkey-Wrench | 81/129, 81/129.5, 81/155 |
| 174,155 | Improved Adjustable Wrench | 81/155 |
