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| Patents for Arthur J. Lewis | |||||
| Number | Date | Patentee | Title | Type | |
| 1,911,632 | May 30, 1933 | A.J. Lewis | Multiple Chucking Machine | multiple spindle machines | |
| 2,438,508 | Mar. 30, 1948 | A.J. Lewis | Multiple Spindle Chucking Machine | multiple spindle lathes | |