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Patent applications and USPTO patent grants for LeVan; David O..The latest application filed is for "safe area voltage and current interface".
Patent | Date |
---|---|
Magnetic based short range communications device, system and method Grant 9,048,884 - LeVan June 2, 2 | 2015-06-02 |
Safe area voltage regulator Grant 8,665,577 - Levan , et al. March 4, 2 | 2014-03-04 |
Safe area voltage and current interface Grant 8,351,879 - Levan , et al. January 8, 2 | 2013-01-08 |
Safe Area Voltage And Current Interface App 20120164960 - LEVAN; David O. ;   et al. | 2012-06-28 |
Safe Area Voltage Regulator App 20120161726 - LEVAN; David O. ;   et al. | 2012-06-28 |
Magnetic antenna apparatus and method for generating a magnetic field Grant 7,903,041 - LeVan March 8, 2 | 2011-03-08 |
Sub-surface communications system and method Grant 7,796,943 - Levan September 14, 2 | 2010-09-14 |
Magnetic Antenna Apparatus And Method For Generating A Magnetic Field App 20090322640 - LeVan; David O. | 2009-12-31 |
Magnetic Based Short Range Communications Device, System And Method App 20090275282 - LeVan; David O. | 2009-11-05 |
Sub-Surface communications system and method App 20080240209 - Levan; David O. | 2008-10-02 |
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