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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 5311205 | Color liquid-crystal display apparatus with rectilinear arrangement In a color liquid-crystal display apparatus using mosaic arrangements, the same color of picture elements which are driven by the same signal electrode are alternately arranged right and left. Accordingly, all that is necessary is that the same color of p... | 05/10/1994 |
| 5144288 | Color liquid-crystal display apparatus using delta configuration of picture elements The present invention relates to picture elements of a color liquid-crystal display apparatus, color arrangements of coloring means, and the electric control. The arrangement patterns of picture-element electrodes are provided which may be driven by a sim... | 09/01/1992 |
| 5006840 | Color liquid-crystal display apparatus with rectilinear arrangement In a color liquid-crystal display apparatus using mosaic arrangements, the same color of picture elements which are driven by the same signal electrode are alternately arranged right and left. Accordingly, all that is necessary is that the same color of p... | 04/09/1991 |
| 4914553 | Lighting device The lighting device is equipped with a light guide having a linear Fresnel reflection surface consisting of steps of continuously alternating reflecting surfaces having two different reflection angles. A light source is installed at one end of the light g... | 04/03/1990 |
| 4706173 | Lighting apparatus A lighting apparatus including a tubular light source and a member having a plurality of reflective surfaces which are angularly set such that light from the light source is reflected in a predetermined direction of a viewing angle by each of the reflecti... | 11/10/1987 |
| 4679909 | Liquid crystal input/output matrix panel Numerous photoelectric translation cells are arranged to correspond to associated picture elements in an active type matrix LCD display system. When a light pen is used as an input means, the system allows detection of light beam positions, enabling it to... | 07/14/1987 |
| 4680505 | Small size discharge lamp having sufficient arc length and high luminous efficiency A small-size discharge lamp includes a glass tube having first and second ends, with an outer diameter thereof being smaller than 5 millimeters and a length thereof being shorter than 300 millimeters. At opposite ends of the glass tube, an elongated filam... | 07/14/1987 |
