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