| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Stephen W. Hall | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
 | 21,194 | Aug. 17, 1858 | S.W. Hall | Machine for cutting miters | |
 | 163,880 | Jun. 01, 1875 | S.G. Morrison | Improvement in modes of applying emery to metal surfaces | |
 | 172,337 | Jan. 18, 1876 | S.G. Morrison | Improvement in emery grinding-wheels | |