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"Transmission of documents via telephone wires is possible in principle, but the apparatus required is so expensive that it will never become a practical proposition."
Dennis Gabor, British physicist
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| Number | Title | Issue Date |
| 6792547 | Digital integrated apparatus, image input-output system, and user authentication method The invention relates to a digital integrated apparatus capable of registering and fetching image data, and has an object to solve various problems resulting from the necessity of the user authentication at the time of using the apparatus. Specifically, it is arrang... | 09/14/2004 |
| 4955292 | Dual-mode rail-highway semi-trailer with separable bogie A dual-mode semi-trailer having over-the-road or highway running gear with rubber tired wheels in which a demountable flanged rail wheel bogie is employed, the body being supported upon said highway running gear during over-the-road travel by air-springs ... | 09/11/1990 |
| 4549666 | Railway vehicle draft sill and slackless draft assembly A railway draft sill and slackless draft assembly including a pair of lengthwise spaced draft sills having a drawbar extending therebetween. One of the drawbar ends is connected for rotation relative to one of the draft sills and the other end is fixed ag... | 10/29/1985 |
| 4422557 | Aligning drawbar A drawbar assembly comprising a drawbar and a buffing block device constructed and arranged so as to provide a turning moment which tends to align the horizontally displaced adjacent ends of the railway vehicle to which the drawbar is connected when said ... | 12/27/1983 |
