| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Charles Roberts | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 73,465 | Jan. 21, 1868 | C. Roberts | Improvement in head-blocks for sawmills | sawmill headblocks | |
| 357,036 | Feb. 01, 1887 | C. Roberts | Traction Engine | steam traction engines | |