| Patents for Henry Howson Jr. |
Patents 1 -
13
of 13
      |
| Number | Title | Classification(s) |
| 188,604 | Improvement in Combined Pruning Shears and Saw | 279/102, 30/144, 30/249, 30/517 |
| 189,199 | Improvement in insertable saw-teeth | 76/80, 83/844 |
| 192,632 | Improvement in clamping devices for fluting-machines | 223/32, 24/486 |
| 192,673 | Improvement in machines for manufacturing compound lumber | 144/136.3, 144/3.1, 144/36 |
| 192,920 | Wrench | 81/145, 81/156 |
| 226,582 | Wrench | 81/124.4 |
| 227,622 | Electro-Magnetic Motor | 310/46 |
| 227,623 | Electro-Magnetic Motor | 310/224, 310/244, 310/75R |
| 235,326 | Manufacture of Hammers and Hatchets | 228/44.3 |
| 282,304 | Saw set | 76/64 |
| 300,194 | Barrel stave shaping machine | 147/1, 147/19, 147/25 |
| 331,075 | Drilling-machine | 408/133, 408/135, 74/625 |
| 363,626 | Die-stock | 408/107 |
