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| Patents for C. Calvert Hines | |||||
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| Number | Date | Patentee | Title | Type | |
| 524,550 | Aug. 14, 1894 | F.G. Hoopes | Barrel-machine | barrel making machines | |
| 533,290 | Jan. 29, 1895 | J.D. Gray | Direct-acting steam-engine | steam engines | |