| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Isaac Butts | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 102,039 | Apr. 19, 1870 | A. Fickett | Improvement in apparatus for separating wood fiber for paper &c. | ||
| 102,239 | Apr. 26, 1870 | A. Fickett | Improvement in apparatus for separating wood fiber for paper &c. | ||