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| Patents for George Koch | |||||
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| Number | Date | Patentee | Title | Type | |
| 27,991 | Apr. 24, 1860 | G. Koch, A. Stoeckel | Veneer-cutting machine | veneer machines | |
| 105,092 | Jul. 05, 1870 | G. Koch | Improvement in veneer-cutters | cutters | |