File:USpatent109947 1870.gif
Jump to navigation
Jump to search
Size of this preview: 786 × 600 pixels. Other resolutions: 315 × 240 pixels | 629 × 480 pixels | 1,006 × 768 pixels | 1,280 × 977 pixels | 1,858 × 1,418 pixels.
Original file (1,858 × 1,418 pixels, file size: 69 KB, MIME type: image/gif)