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| Patents for Robert E. Martin | |||||
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| Number | Date | Patentee | Title | Type | |
| 938,680 | Nov. 02, 1909 | R.E. Martin | Adjustable and Detachable Handle for Saws | saw handles | |
| 942,920 | Dec. 14, 1909 | R.E. Martin | Saw-Blade | special purpose saws | |