File:USpatent3056410 1959.gif
Jump to navigation
Jump to search
![File:USpatent3056410 1959.gif](https://upload.wikimedia.org/wikipedia/commons/thumb/4/46/USpatent3056410_1959.gif/202px-USpatent3056410_1959.gif?20050424184036)
Size of this preview: 202 × 599 pixels. Other resolutions: 81 × 240 pixels | 161 × 480 pixels | 775 × 2,299 pixels.
Original file (775 × 2,299 pixels, file size: 77 KB, MIME type: image/gif)