Lieffort; Seth A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Lieffort; Seth A..The latest application filed is for "system for detecting radio-frequency identification tags".
- Lieffort; Seth A. - Eagan MN
| Patent | Date |
|---|---|
| Field-shaping shielding for radio frequency identification (RFID) system Grant 7,421,245 - Lieffort , et al. September 2, 2 | 2008-09-02 |
| Multi-loop antenna for radio frequency identification (RFID) communication Grant 7,417,599 - Goff , et al. August 26, 2 | 2008-08-26 |
| System for detecting radio-frequency identification tags Grant 7,405,663 - Lieffort , et al. July 29, 2 | 2008-07-29 |
| System For Detecting Radio-frequency Identification Tags App 20070075836 - Lieffort; Seth A. ; et al. | 2007-04-05 |
| System for detecting radio-frequency identification tags Grant 7,119,692 - Lieffort , et al. October 10, 2 | 2006-10-10 |
| Field-shaping shielding for radio frequency identification (RFID) system App 20050186902 - Lieffort, Seth A. ; et al. | 2005-08-25 |
| System for detecting radio-frequency identification tags App 20050099302 - Lieffort, Seth A. ; et al. | 2005-05-12 |
| Multi-loop antenna for radio frequency identification (RFID) communication App 20040183742 - Goff, Edward D. ; et al. | 2004-09-23 |
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