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| Patents for Hubert D. Tanner | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,524,892 | Feb. 03, 1925 | H.D. Tanner | Gear Testing Device | gear measuring machines | |
| 1,536,734 | May 05, 1925 | H.D. Tanner | Bevel Gear Testing Device | gear measuring machines | |