| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Thomas B. Hall | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 162,874 | May 04, 1875 | W. Wells | Auger-Bit Extension | drill bit extensions | |
| 405,759 | Jun. 25, 1889 | A.M. Benson | Gearing | woodworking machine mechanisms | |