"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 |
| 7340468 | Directory information system for providing toll free telephone numbers An Internet-based directory information system for providing toll free telephone numbers and other company information based on product or service advertising. First and second web sites are configured with separate first and second graphic user interfaces for the e... | 03/04/2008 |
| 7241321 | Organically clean biomass fuel An organically clean biomass fuel formed of mixture of a powder, which may be either dried, cellulosic product, wood charcoal powder, and/or a combination of the two, and a fluid, which may be vegetable oil, vegetable alcohol or a combination of the two. A centrifug... | 07/10/2007 |