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| Patents for Louis Quijada | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,481,446 | Sep. 06, 1949 | L. Quijada | Pipe and tube cutter | pipe cutting machines | |
| 2,581,702 | Jan. 08, 1952 | L. Quijada | Work turning and threading machine | pipe threading machines | |