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| Patents for Vereinigte Drahtwerke A. G. | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,299,490 | Jan. 24, 1967 | E. Wyss | Cutting Tool, in Particular Tool Holder Clamp Construction | insert tool holders | |
| 3,568,283 | Mar. 09, 1971 | E. Wyss | Metal Cutting Tool | insert tool holders | |