| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Marvin S. Otis | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
 | 144,354 | Nov. 04, 1873 | M.S. Otis, M.E. Otis | Improvement in wood-grinders for paper-pulp | |
| 269,451 | Dec. 19, 1882 | M.S. Otis | Stone Cutting Machine | ||