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| All Patents in class 14/3 | |||||
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| Number | Date | Patentee | Title | Type | |
| 7,621X | Jun. 29, 1833 | A. Canfield | Constructing bridges | bridges | |
| 1,893,957 | Jan. 10, 1933 | G.A. Parten | Carving machine structure | carving machines | |