| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 106/689 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 113,439 | Apr. 04, 1871 | E.C. Merrill | Improvement in the manufacture of emery-wheels and artificial stone | grinding wheels | |
| 126,041 | Apr. 23, 1872 | J.S. Elliott, J.F. Wood | Method of making stone for grinding wood-pulp | ||