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| Patents for Lyell C. Tullis | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,406,595 | Oct. 22, 1968 | L.C. Tullis | Index Unit | indexers and dividers | |
| 3,653,489 | Apr. 04, 1972 | L.C. Tullis | Power Conveyor System for Production Lines | workpiece changers and storage mechanisms | |
| 4,172,514 | Oct. 30, 1979 | L.C. Tullis, I.L. Shantz | High Speed Continuous Assembly Machine | assembling machines | |