File:USpatent1214467 1913.gif
![File:USpatent1214467 1913.gif](https://upload.wikimedia.org/wikipedia/commons/thumb/4/45/USpatent1214467_1913.gif/751px-USpatent1214467_1913.gif?20050216205341)
Size of this preview: 751 × 600 pixels. Other resolutions: 301 × 240 pixels | 601 × 480 pixels | 961 × 768 pixels | 1,280 × 1,023 pixels | 1,288 × 1,029 pixels.
Original file (1,288 × 1,029 pixels, file size: 56 KB, MIME type: image/gif)