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Patent applications and USPTO patent grants for Helfrich; Kenneth.The latest application filed is for "usb dedicated charger identification circuit".
Patent | Date |
---|---|
Apparatus for remote wake-up during dedicated charging mode Grant 8,862,921 - Kim , et al. October 14, 2 | 2014-10-14 |
USB dedicated charger identification circuit Grant 8,723,476 - Helfrich May 13, 2 | 2014-05-13 |
USB Dedicated Charger Identification Circuit App 20130207595 - Helfrich; Kenneth | 2013-08-15 |
USB dedicated charger identification circuit Grant 8,358,100 - Helfrich January 22, 2 | 2013-01-22 |
USB Dedicated Charger Identification Circuit App 20110276734 - Helfrich; Kenneth | 2011-11-10 |
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