File:Uspatent570821.png
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![File:Uspatent570821.png](https://upload.wikimedia.org/wikipedia/commons/thumb/9/99/Uspatent570821.png/763px-Uspatent570821.png)
Size of this preview: 763 × 600 pixels. Other resolutions: 306 × 240 pixels | 611 × 480 pixels | 978 × 768 pixels | 1,280 × 1,006 pixels | 1,512 × 1,188 pixels.
Original file (1,512 × 1,188 pixels, file size: 20 KB, MIME type: image/png)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 18:25, 19 May 2006 | ![]() | 1,512 × 1,188 (20 KB) | commons>Opie~commonswiki |
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