"Radio has no future."
Lord Kelvin, British mathematician and physicist ; 1897
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| Number | Title | Issue Date |
| 5678974 | System for storing a carrying truck A system for storing a carrying truck uncoupled from a self-propelled truck moving along a given passage. So that such uncoupled carrying truck may be stored at a storage area outside and angular relative to the passage, the system includes a direction ch... | 10/21/1997 |