| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 175/122 | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
 | 47,727 | May 16, 1865 | W.S. Hunter, S.R. Hunter | Boring Artesian Wells | |
| 880,140 | Feb. 25, 1908 | B. Hastings | Drilling Machine | ||