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| Patents for James Campbell | |||||
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| Number | Date | Patentee | Title | Type | |
| AI251 | Oct. 04, 1859 | A. Campbell, W. Campbell, J. Campbell | Cornplanter | ||
| 99,275 | Jan. 25, 1870 | L.D. Tredway | Double-adjustable Mouthpiece | plane throat adjustments | |
| 295,200 | Mar. 18, 1884 | A.W. Roper | Machine for Roasting Coffee | coffee roasters | |
| 1,398,180 | Nov. 22, 1921 | E. Dietrich | Socket Wrench | socket wrenches | |