"There is practically no chance communications space satellites will be used to provide better telephone, telegraph, television, or radio service inside the United States."
T. Craven, FCC Commissioner ; 1961
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| Number | Title | Issue Date |
| 5839677 | Track for mills A track for mills including a series of inner wearing segments and a series of outer wearing segments with a high resistance to wear. The upper surface of the inner wearing segments and the outer wearing segments provide two concentric circular runway pat... | 11/24/1998 |
| 4529135 | Grinding crusher There is disclosed a grinding crusher having a grinder piece disposed within a crushing chamber for relative rotation with respect to a casing defining the crushing chamber. The casing is journaled and driven in high speed rotation so as to cause a materi... | 07/16/1985 |
| 4527748 | Tubular mill for grinding natural and synthetic raw materials, particularly for the cement industry The invention relates to a tubular mill for grinding natural and synthetic raw materials, in particular for the cement industry, comprising a horizontally-disposed rotary cylindrical drum, characterized by comprising one or more fixed grinding rollers dis... | 07/09/1985 |
| 4494611 | Apparatus for processing soil for planting An improvement is presented in an apparatus for processing soil for planting wherein a separator are provided for initially separating rocks and other large objects from soil prior to crushing thereof, the separator comprising a plurality of respectively ... | 01/22/1985 |