| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 37/341 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 9,631X | Apr. 28, 1836 | S. Russell | Excavating from rivers | excavators | |
| 8,840 | Mar. 30, 1852 | J. Hamilton | Dredging-machine | dredges | |