| Patents for Willis J. Perkins |
Patents 1 -
15
of 34
      |
| Number | Date | Patentee | Title | Type |
| 195,900 | Oct. 09, 1877 | W.J. Perkins | Improvement in shingle-sawing machines | shingle machines |
| 228,779 | Jun. 15, 1880 | W.J. Perkins | Mechanism movement | woodworking machine mechanisms |
| 232,754 | Sep. 28, 1880 | W.J. Perkins | Gang-edger | circular ripsaws |
| 236,620 | Jan. 11, 1881 | W.J. Perkins | Shingle-sawing machine | shingle machines |
| 244,928 | Jul. 26, 1881 | W.J. Perkins | Shingle-jointing machine | shingle machines |
| 272,316 | Feb. 13, 1883 | W.J. Perkins | Shingle-sawing machine | shingle machines |
| 287,462 | Oct. 30, 1883 | W.J. Perkins | Shingle-sawing machine | shingle machines |
| 294,804 | Mar. 11, 1884 | W.J. Perkins | Drag-saw elevator | drag saws |
| 314,603 | Mar. 31, 1885 | W.J. Perkins | Shingle-sawing machine | shingle machines |
| 315,061 | Apr. 07, 1885 | W.J. Perkins | Shingle | shingle machines |
| 320,681 | Jun. 23, 1885 | W.J. Perkins | Circular saw | sawblades |
| 321,525 | Jul. 07, 1885 | W.J. Perkins | Circular sawmill | circular sawmills |
| 325,693 | Sep. 08, 1885 | W.J. Perkins | Shingle-sawing machine | shingle machines |
| 342,534 | May 25, 1886 | W.J. Perkins | Shingle-sawing machine | shingle machines |
| 342,535 | May 25, 1886 | W.J. Perkins | Saw | sawblades |
