| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for William F. Hopson | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
| 178,617 | Jun. 13, 1876 | J.M. Evarts | Pipe Cutters. &c. | ||
 | 189,875 | Apr. 24, 1877 | W.R. Petrie | Lubricator for Steam Engine | |