Patents for William H. Dobson |
Patents 1 -
7
of 7
|
Picture | Number | Date | Patentee | Title |
| 92,288 | Jul. 06, 1869 | W.H. Dobson | Improvement in scroll-sawing machines |
| 111,328 | Jan. 31, 1871 | W.H. Dobson | Improvement in scroll-saws |
| 114,778 | May 16, 1871 | W.H. Dobson | Improvement in scroll-sawing machines |
| 121,856 | Dec. 12, 1871 | W.H. Dobson, W.H. Doane | Improvement in scroll-sawing machine |
| 135,099 | Jan. 21, 1873 | W.H. Dobson, W.H. Doane | Improvement in scroll-saws |
| 139,124 | May 20, 1873 | W.H. Dobson | Improvement in saw-setting machines |
| 147,913 | Feb. 24, 1874 | W.H. Dobson | Improvement in scroll-saws |