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| Patents for James W. Gray | |||||
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| Number | Date | Patentee | Title | Type | |
| 475,597 | May 24, 1892 | J.J. McNamar | Traction Engine | traction engine propulsion components | |
| 1,284,092 | Nov. 05, 1918 | J.W. Gray | Smoothing machine | sanding machines | |