"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 |
| 5337810 | Modified wood splitter The instant device is a modified wood splitter featuring a hydraulically controlled log elevator, a log splitting piston stroke control rod, an adjustable four-way splitting wedge and a generator mounting apparatus all of which said features have been add... | 08/16/1994 |
| 5144995 | Apparatus for splitting loose objects such as tree trunks Apparatus for splitting tree trunks by forcing a splitting element into the tree trunk while manipulating the tree trunk. The tree trunk is manipulated by a grab to abut against support and to be cleft by a vehicle-mounted splitting element which is movab... | 09/08/1992 |
| 4086111 | Wood splitter A wood splitter, particularly suited to hydraulic operation, for mechanically splitting sections of wood lengthwise for shakes or for more suitable sizes for burning is provided. In a preferred form the device is mounted on a trailer having a flat working... | 04/25/1978 |