| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Frederick O. Ball | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 658,201 | Sep. 18, 1900 | F.O. Ball, F.H. Ball | Steam Engine | steam engines | |
| 924,876 | Jun. 15, 1909 | F.O. Ball | Cross Head | steam cross heads | |