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| Patents for August Mertes | |||||
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| Number | Date | Patentee | Title | Type | |
| 350,894 | Oct. 12, 1886 | G. Puhl, A. Mertes | Band sawing-machine | bandsaws | |
| 553,037 | Jan. 14, 1896 | A. Mertes | Gear-cutting machine | gear making machines | |