| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for John O'Brien | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 279,460 | Jun. 12, 1883 | J.B. Tetley | Parallel Dividers | dividers | |
| 362,308 | May 03, 1887 | J. O'Brien | Combined Flanging Machine and Drill Press | drill presses | |
| 1,236,631 | Aug. 14, 1917 | V. Villeneuve | Clapboard Marker | clapboard markers | |