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| Patents for Chicago Machinery Exchange | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,109,747 | Sep. 08, 1914 | W. Giertsen | Chain-feed saw | circular ripsaws | |
| 1,110,709 | Sep. 15, 1914 | A.W. Nelson | Chain-feed saw | circular ripsaws | |