| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 173/84 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 175,169 | Mar. 21, 1876 | J. Kohler, H.F. Roehrs | Pile-Drivers | pile drivers | |
| 370,952 | Oct. 04, 1887 | F.M. Leavitt | Drop-hammer | drop hammers | |