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| Patents for Levi D. Tyson | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,499,235 | Feb. 28, 1950 | L.D. Tyson | Hydraulic System for Plural Motor Operation | metalworking machine mechanisms | |
| 2,587,929 | Mar. 04, 1952 | L.D. Tyson | Steady Rest | metal lathe accessories and attachments | |