| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 440/35 | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
| 7,963X | Jan. 21, 1834 | C. Bonnycastle | Constructing and applying locomotive engines to boats, barges, etc. on canals | ||
 | 9,696X | Jun. 02, 1836 | G. Hotchkiss | Art of propelling or drawing boats (towing) | |
 | 131,839 | Oct. 01, 1872 | H.H. Baker | Improvement in propulsion of canal-boats | |
 | 139,996 | Jun. 17, 1873 | H.H. Baker | Improvement in propelling canal-boats | |
 | 380,781 | Apr. 10, 1888 | H.H. Baker | Propelling canal-boats | |