| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 51/303 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 187,593 | Feb. 20, 1877 | A.A. Sanborn, I.P. Brown, Jr. | Emery Grinding Wheels | grinder wheels | |
| 608,877 | Aug. 09, 1898 | D.J. Lattimore | Abrading-wheel | grinding wheels | |
| 1,094,361 | Apr. 21, 1914 | J.C. Blevney | Polishing device | ||