| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Charles Douglas | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
 | 78,769 | Jun. 09, 1868 | J. Swan | Machine for Upsetting Cook's Bits | |
| 469,852 | Mar. 01, 1892 | C. Douglas | Shaper for shoe-brushes, brush-backs, etc. | ||