| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Richard D. Hubbard | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 12,002 | Nov. 28, 1854 | E.K. Root | Improved machine for boring the chambers in the cylinders of fire-arms | drilling and boring | |