| Patents for Willis J. Perkins |
Patents 16 -
30
of 34
      |
| Number | Date | Patentee | Title | Type |
| 342,536 | May 25, 1886 | W.J. Perkins | Log-handling mechanism | sawmill log handling |
| 348,050 | Aug. 24, 1886 | W.J. Perkins | Shingle-sawing machine | shingle machines |
| 350,767 | Oct. 12, 1886 | W.J. Perkins | Carriage for shingle-sawing machines | shingle machines |
| 355,710 | Jan. 11, 1887 | W.J. Perkins | Shingle-sawing machine | shingle machines |
| 365,199 | Jun. 21, 1887 | W.J. Perkins | Journal-box | industrial machine bearings |
| 369,668 | Sep. 06, 1887 | W.J. Tunmore | Shingle-sawing machine | shingle machines |
| 369,811 | Sep. 13, 1887 | W.J. Perkins | Shingle-sawing machine | shingle machines |
| 380,346 | Apr. 03, 1888 | W.J. Perkins | Shingle-sawing machine | shingle machines |
| 387,441 | Aug. 07, 1888 | W.J. Perkins | Shingle-sawing machine | shingle machines |
| 391,269 | Oct. 16, 1888 | W.J. Perkins | Log-holding car and clamp | sawmill carriages |
| 391,643 | Oct. 23, 1888 | W.J. Perkins | Shingle-sawing machine | shingle machines |
| 411,729 | Sep. 24, 1889 | W.J. Perkins | Saw-grinding machine | saw sharpening machines |
| 414,993 | Nov. 12, 1889 | W.J. Perkins | Shingle-packing machine | shingle machines |
| 414,994 | Nov. 12, 1889 | W.J. Perkins | Log-dogging apparatus | sawmill dogs |
| 449,696 | Apr. 07, 1891 | W.J. Perkins | Miter-cutting machine | miter machines |
