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| All Patents in class 414/690 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 6,253X | Nov. 18, 1830 | E.H. Holmes | Mud machine for beds of streams, rivers, and harbors | ||
 | 325,309 | Sep. 01, 1885 | H.M. Barnhart, E. Huber | Device for loading and unloading cars | |
 | 808,452 | Dec. 26, 1905 | O. Hetlesaeter | Steam-shovel | |