| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for W. E. Simpson | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 132,823 | Nov. 05, 1872 | P.L. Gibbs | Improvement in Wrenches | ratchet wrenches | |
| 134,287 | Dec. 24, 1872 | W.S. Jarboe | Apparatus for Grinding Lathe Centers | metal lathe accessories and attachments | |