| Patents for Francis W. Robinson |
Patents 1 -
8
of 8
      |
| Picture | Number | Date | Patentee | Title |
 | 21,367 | Aug. 31, 1858 | F.W. Robinson | Straw-carrier of threshing-machines |
 | 21,628 | Sep. 28, 1858 | F.W. Robinson | Improvement in riddles for threshing-machines |
 | 26,786 | Jan. 10, 1860 | F.W. Robinson | Improvement in horse-power |
 | 30,932 | Dec. 18, 1860 | F.W. Robinson | Improvement in grain-separators |
 | 49,791 | Sep. 05, 1865 | F.W. Robinson | Improvement in sawing-machines |
 | RE2,117 | Nov. 28, 1865 | F.W. Robinson | Improvement in sawing-machines |
| | 300,397 | Jun. 17, 1884 | F.W. Robinson | Traction Engine |
 | 311,530 | Feb. 03, 1885 | F.W. Robinson | Traction Engine |
