Eric W. Lofstad

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Eagan, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Wireless phone-interface device
- Patent number 7,248,157
- Issue date Jul 24, 2007
- Interactive Technologies, Inc.
- John Todd Bergman
- G08 - SIGNALLING
Information Patent Grant
Wireless phone-interface device
- Patent number 7,054,414
- Issue date May 30, 2006
- Interactive Technologies Inc.
- John Todd Bergman
- G08 - SIGNALLING
Information Patent Grant
Linear power control loop
- Patent number 6,417,729
- Issue date Jul 9, 2002
- Itron, Inc.
- Normand T. Lemay
- G01 - MEASURING TESTING
Information Patent Grant
Method and system for reading intelligent utility meters
- Patent number 6,333,975
- Issue date Dec 25, 2001
- Itron, Inc.
- Brian T. Brunn
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Wireless phone-interface device
- Publication number 20020163430
- Publication date Nov 7, 2002
- John Todd Bergman
- G08 - SIGNALLING
Information Patent Application
Wireless phone-interface device
- Publication number 20020163997
- Publication date Nov 7, 2002
- John Todd Bergman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE