"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 |
| 7066235 | Method for manufacturing clad components A method for manufacturing a clad component in which a cladding workpiece having a section comprising a first metal onto which a number of metal beads are rigidly bonded is inserted into a mold. A molten second metal is poured into the mold, where it flows about and... | 06/27/2006 |
| 4807728 | Brake member and method of manufacturing same A brake member integrally cast from a single melt and composed of a sliding portion and a hub portion, the sliding portion having a flaky graphite cast iron microstructure with a good damping capacity and the hub portion having a high-strength cast iron m... | 02/28/1989 |