| All Patents in class 81/167 |
Patents 1 -
15
of 70
      |
| Number | Title | Classification(s) |
| 13,221 | Slide-Wrench | 81/167 |
| 16,733 | Improvement in Screw-Wrenches | 81/167 |
| 48,759 | Improvement in revolving mortising-tools | 144/219, 81/167 |
| 56,166 | Improved Tool | 7/143, 81/101, 81/107, 81/167, 81/185.2, 81/437 |
| 107,304 | Improvement in Wrenches | 81/167 |
| 202,259 | Wrench | 81/125.1, 81/167, 81/177.1, 81/186 |
| 212,298 | Wrench | 81/167, 81/177.1 |
| 228,755 | Monkey Wrench | 81/167, 81/177.1 |
| 261,217 | Pipe Wrench | 81/167, 81/382, 81/404 |
| 291,266 | Pipe Wrench | 81/105, 81/126, 81/167, 81/90.9, 81/94, 81/DIG.6 |
| 310,818 | Pipe Wrench | 81/167, 81/179 |
| 334,085 | Wrench | 81/124.4, 81/167 |
| 344,406 | Pipe Wrench | 81/167, 81/97 |
| 366,322 | Combination Tool | 81/167, 81/437 |
| 383,544 | Pipe Wrench | 81/101, 81/102, 81/167 |
