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| Patents for Clarence E. Van Auken | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,274,820 | Aug. 06, 1918 | C.E. Van Auken | Duplex Oscillating Saw | metal sawing machines | |
| 1,277,786 | Sep. 03, 1918 | C.E. Van Auken | Duplex Saw | metal sawing machines | |