File:USpatent63234 1867b.gif
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Size of this preview: 800 × 481 pixels. Other resolutions: 320 × 192 pixels | 640 × 385 pixels | 1,024 × 616 pixels | 1,280 × 770 pixels | 2,469 × 1,485 pixels.
Original file (2,469 × 1,485 pixels, file size: 120 KB, MIME type: image/gif)