| Patents for P. H. Watson |
Patents 1 -
15
of 21
      |
| Number | Title | Classification(s) |
| 5,336 | Sawing hand-rails for stairs | 83/768 |
| 5,902 | Honing Machine | 451/164, 451/367 |
| 6,725 | Machinery for riving and dressing shingles | 144/118, 144/176 |
| 6,762 | Mode of operating brakes for cars | 188/47, 188/49, 36/77R |
| 6,809 | Endless-bed planer | 144/120, 144/128 |
| 6,916 | Mill for grinding bark | 241/160 |
| 7,045 | Chuck for boring and mortising machines | 144/84, 408/103, 408/30, 408/89 |
| 7,556 | Tenon-bit | 144/206, 30/495 |
| 7,635 | Improvement in mortising-machines | 144/193.1, 144/278.1, 144/75, 144/84, 30/167 |
| 7,681 | Vegetable-cutter | 212/115, 83/355 |
| 7,943 | Improvement in sawmills | 172/483, 83/13 |
| 8,808 | Planing-machine | 144/121, 144/253.1, 144/278.1 |
| 8,823 | Planing-machine | 144/114.1, 144/122, 144/128 |
| 8,990 | Machine for turning and polishing | 142/32, 144/47, 451/296 |
| 9,015 | Manufacture of granular fuel from brush-wood and twigs | 44/500, 44/530, 44/535, 44/606 |
