| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 175/314 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 90,787 | Jun. 01, 1869 | L.M. Rumsey, W.P. Smith | Improved drill for rock and earth with attached tube | stone boring and drilling machines | |