File:USpatent40907 1863b.gif
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Size of this preview: 652 × 599 pixels. Other resolutions: 261 × 240 pixels | 522 × 480 pixels | 835 × 768 pixels | 1,043 × 959 pixels.
Original file (1,043 × 959 pixels, file size: 37 KB, MIME type: image/gif)