"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 |
| 5203738 | Combine for rapid head change A combine of the type in which a harvesting head permanently affixed to a feeder housing is modified to permit rapid and simple replacement and exchange of the head without removing the feeder housing from the combine. The head is provided with openings f... | 04/20/1993 |
| 5029436 | Agricultural carrier vehicle An agricultural carrier vehicle comprises a vehicle, an agricultural aggregate connectable with the vehicle, a saddle unit arranged on the vehicle, a driver's cabin, at least two clamping devices arranged for bracing the driver's cabin in two different po... | 07/09/1991 |
| 5024630 | Harvester thresher A harvester thresher includes a chassis, a housing, a threshing mechanism operating in accordance with the principle of a tangential flow, straw shaking means, and a threshing and separating unit located after the straw shaking means in the housing includ... | 06/18/1991 |
| 4846198 | Modular combine harvester A combine harvester is disclosed wherein the operative components thereof are built according to a modular concept. The combine harvester includes a threshing module, a separating module and a cleaning module, all of which are supported by a frame and ope... | 07/11/1989 |