"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 |
| 6647926 | Apparatus for screening poultry at least at night from crawling vermin such as for instance poultry lice Apparatus intended for screening poultry at least at night from crawling vermin such as for instance poultry lice, the apparatus being provided with poultry support means (4) on which the poultry sleeps, the poultry support means being connected to the fi... | 11/18/2003 |