| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Frederick F. Campbell | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
| 336,500 | Feb. 16, 1886 | G. Tintle | Resawing-machine | ||
 | 368,563 | Aug. 16, 1887 | D.G. Brown | Micrometer Pipe Gage | |
 | 405,385 | Jun. 18, 1889 | W.A. Williamson | Corkscrew | |