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| Patents for James W. Campbell | |||||
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| Number | Date | Patentee | Title | Type | |
| 95,598 | Oct. 05, 1869 | W.J. Miller, J.W. Campbell | Improvement in moldings of wood | molders | |
| 115,820 | Jun. 13, 1871 | J.W. Campbell | Improvement in machines for cutting irregular forms | pattern lathes | |
| 117,978 | Aug. 15, 1871 | J.W. Campbell | Improvement in carving-machines | carving machines | |
| 151,565 | Jun. 02, 1874 | J.W. Campbell | Sliding-table saw | tablesaws | |