"This is the patent age of new inventions for killing bodies, and for saving souls. All propagated with the best intentions."
Lord Byron ;
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| Number | Title | Issue Date |
| 5624731 | Multi-color, multi-image retroflective goniochromatic display A display which when illuminated by a light source is adapted to present selectively to an observer colors and images that depend both on the angular position of the observer and on the angular position of the light source relative to the display. The dis... | 04/29/1997 |