File:USpatent990279 1909a.gif
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![File:USpatent990279 1909a.gif](https://upload.wikimedia.org/wikipedia/commons/thumb/6/6f/USpatent990279_1909a.gif/402px-USpatent990279_1909a.gif?20060413213256)
Size of this preview: 402 × 599 pixels. Other resolutions: 161 × 240 pixels | 322 × 480 pixels | 515 × 768 pixels | 1,024 × 1,526 pixels.
Original file (1,024 × 1,526 pixels, file size: 62 KB, MIME type: image/gif)