Seth A. Lieffort

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Eagan, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Field-shaping shielding for radio frequency identification (RFID) s...
- Patent number 7,421,245
- Issue date Sep 2, 2008
- 3M Innovative Properties Company
- Seth A. Lieffort
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Multi-loop antenna for radio frequency identification (RFID) commun...
- Patent number 7,417,599
- Issue date Aug 26, 2008
- 3M Innovative Properties Company
- Edward D. Goff
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System for detecting radio-frequency identification tags
- Patent number 7,405,663
- Issue date Jul 29, 2008
- 3M Innovative Properties Company
- Seth A. Lieffort
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System for detecting radio-frequency identification tags
- Patent number 7,119,692
- Issue date Oct 10, 2006
- 3M Innovative Properties Company
- Seth A. Lieffort
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM FOR DETECTING RADIO-FREQUENCY IDENTIFICATION TAGS
- Publication number 20070075836
- Publication date Apr 5, 2007
- 3M Innovative Properties Company
- Seth A. Lieffort
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Field-shaping shielding for radio frequency identification (RFID) s...
- Publication number 20050186902
- Publication date Aug 25, 2005
- Seth A. Lieffort
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
System for detecting radio-frequency identification tags
- Publication number 20050099302
- Publication date May 12, 2005
- Seth A. Lieffort
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Multi-loop antenna for radio frequency identification (RFID) commun...
- Publication number 20040183742
- Publication date Sep 23, 2004
- Edward D. Goff
- G06 - COMPUTING CALCULATING COUNTING