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| Patents for Louis Koss | |||||
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| Number | Date | Patentee | Title | Type | |
| 524,057 | Aug. 07, 1894 | L. Koss, C.F. Darnell | Lath-machine | lath making machines | |
| 793,306 | Jun. 27, 1905 | L. Koss | Veneer-slicer | veneer machines | |
| 817,784 | Apr. 17, 1906 | L. Koss | Veneer-cutter | veneer machines | |