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| Patents for J. G. Arnold | |||||
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| Number | Date | Patentee | Title | Type | |
| 148,888 | Mar. 24, 1874 | R.E. Kidder | Tool-Holders | tool holders | |
| 188,469 | Mar. 20, 1877 | R.E. Kidder | Improvement in copying-presses | copy presses | |
| 223,146 | Dec. 30, 1879 | R.E. Kidder | Tool-Handle | tool handles | |