Daniel L. Johnson

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Columbia Heights, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Omnidirectional RFID antenna
- Patent number 6,720,930
- Issue date Apr 13, 2004
- Digital Angel Corporation
- Daniel L. Johnson
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Omnidirectional RFID antenna
- Publication number 20020109636
- Publication date Aug 15, 2002
- Daniel L. Johnson
- H01 - BASIC ELECTRIC ELEMENTS