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| Patents for Gibbs General Machine Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,429,866 | Sep. 19, 1922 | J.D. Gibbs | Drill press | drill presses | |
| 1,477,052 | Dec. 11, 1923 | J.D. Gibbs | Friction gearing | drill presses | |