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| Patents for James Barker | |||||
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| Number | Date | Patentee | Title | Type | |
| 141,535 | Aug. 05, 1873 | J.A. Baines | Metallic Plane | combination planes | |
| 577,707 | Feb. 23, 1897 | J. Barker | Gear-cutting machine | gear making machines | |