Ratliff; Charles R
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ratliff; Charles R.The latest application filed is for "cellular communications system with sectorization".
- Ratliff; Charles R - Guatemala City GU
- Ratliff; Charles R. - Guatemala N/A GT
- Ratliff; Charles R. - Madison GA
- Ratliff; Charles R. - Crystal Lake IL
- Ratliff; Charles R. - Richardson TX
Trademarks
| Patent | Date |
|---|---|
| Cellular communications system with sectorization Grant RE45,321 - Fischer , et al. January 6, 2 | 2015-01-06 |
| Cellular communications system with sectorization Grant RE43,964 - Fischer , et al. February 5, 2 | 2013-02-05 |
| Cellular communications system with sectorization Grant RE40,564 - Fischer , et al. November 4, 2 | 2008-11-04 |
| Cellular communications system with sectorization Grant 5,852,651 - Fischer , et al. December 22, 1 | 1998-12-22 |
| Cellular communications system with centralized base stations and distributed antenna units Grant 5,627,879 - Russell , et al. May 6, 1 | 1997-05-06 |
| Four-quadrant, multiprobe-edge sensor for semiconductor wafer probing Grant 4,219,771 - Reid , et al. August 26, 1 | 1980-08-26 |
| Multiprobe test system and method of using same Grant 4,195,259 - Reid , et al. March 25, 1 | 1980-03-25 |
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