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| Patents for Trevillie O. Martin | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,414,520 | May 02, 1922 | T.O. Martin | Lathe Turning Tool | lathe tools | |
| 1,415,379 | May 09, 1922 | T.O. Martin | Tool Holder | lathe tool holders and tool posts | |