| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for J. J. Johnston | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 98,037 | Dec. 21, 1869 | W.S. Colwell | Improvement in device for conveying sawdust from saws | waste collection mechanisms | |
| 571,366 | Nov. 17, 1896 | R. Hegarty | Measuring Pole | measuring rods | |
| 595,475 | Dec. 14, 1897 | R. Hegarty | Measuring Pole | measuring rods | |