| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Hepburn McClure | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 163,025 | May 11, 1875 | S.G. Morrison | Improvement in emery-wheels | grinding wheels | |
| 163,879 | Jun. 01, 1875 | S.G. Morrison | Improvement in saws for sawing stone | stoneworking tools | |
| 163,880 | Jun. 01, 1875 | S.G. Morrison | Improvement in modes of applying emery to metal surfaces | grinding wheels | |
| 172,337 | Jan. 18, 1876 | S.G. Morrison | Improvement in emery grinding-wheels | grinding wheels | |
| 183,064 | Oct. 10, 1876 | D.K. Overhiser | Improvement in cutter-heads | cutterheads | |