File:ScrollerwheelPatentImage.jpg
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 08:36, 30 December 2007 | 361 × 643 (129 KB) | TheDragoon~commonswiki | {{Information |Description=Image of the structure of a scrollerwheel from its patent. |Source=United States Patent and Trademark Office |Date=Dec. 30, 2007 |
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