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| Patents for Osman E. Hunt | |||||
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| Number | Date | Patentee | Title | Type | |
| 945,784 | Jan. 11, 1910 | O.E. Hunt | Commutator Truing Machine | commutator truing tools | |
| 971,753 | Oct. 04, 1910 | O.E. Hunt | Commutator Truing Machine | ||