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| Patents for Isaac D. Mathews | |||||
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| Number | Date | Patentee | Title | Type | |
| 64,344 | Apr. 30, 1867 | I.D. Mathews | Improvement in hanger and journal-boxes for shafting | industrial machine shaft hangers | |
| 76,092 | Mar. 31, 1868 | I.D. Mathews | Journal Box | industrial machine pulleys and belt drive mechanisms | |