File:USpatent3205892 1965.gif
Jump to navigation
Jump to search
![File:USpatent3205892 1965.gif](https://upload.wikimedia.org/wikipedia/commons/thumb/3/32/USpatent3205892_1965.gif/498px-USpatent3205892_1965.gif?20050410200037)
Size of this preview: 498 × 600 pixels. Other resolutions: 199 × 240 pixels | 399 × 480 pixels | 638 × 768 pixels | 851 × 1,024 pixels | 1,550 × 1,866 pixels.
Original file (1,550 × 1,866 pixels, file size: 53 KB, MIME type: image/gif)