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Patent applications and USPTO patent grants for Wessels; Johannes Hendrik.The latest application filed is for "switching device for driving led array by pulse-shaped current modulation".
Patent | Date |
---|---|
Antenna through the use of lamp electrodes Grant 7,714,699 - Wessels May 11, 2 | 2010-05-11 |
Communication network with arrangement for replacing a malfunctioning active master with a new active master Grant 7,657,235 - Wessels , et al. February 2, 2 | 2010-02-02 |
Switching Device For Driving Led Array By Pulse-shaped Current Modulation App 20090072761 - WESSELS; JOHANNES HENDRIK | 2009-03-19 |
Switching device for driving LED array by pulse-shaped current modulation Grant 7,463,070 - Wessels December 9, 2 | 2008-12-09 |
Antenna Through the Use of Lamp Electrodes App 20080266834 - Wessels; Johannes Hendrik | 2008-10-30 |
Power control of a fluorescent lamp Grant 7,429,830 - Wessels , et al. September 30, 2 | 2008-09-30 |
Power Control Of A Fluorescent Lamp App 20080012503 - Wessels; Johannes Hendrik ;   et al. | 2008-01-17 |
Mains wire antenna for wireless interface applications App 20070183133 - Buij; Arnold Willem ;   et al. | 2007-08-09 |
Communication network App 20060203714 - Wessels; Johannes Hendrik ;   et al. | 2006-09-14 |
Switching device for driving a led array App 20050088209 - Wessels, Johannes Hendrik | 2005-04-28 |
Architecture of ballast with integrated RF interface Grant 6,636,005 - Wacyk , et al. October 21, 2 | 2003-10-21 |
Architecture Of Ballast With Integrated Rf Interface App 20030090889 - Wacyk, Ihor Terence ;   et al. | 2003-05-15 |
Switching device App 20010033141 - Wessels, Johannes Hendrik ;   et al. | 2001-10-25 |
Method of recording a video signal Grant 3,893,163 - Wessels , et al. July 1, 1 | 1975-07-01 |
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