Darrell Duffy

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Sunnyvale, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
System and method for selecting repeaters
- Patent number 8,340,572
- Issue date Dec 25, 2012
- Echelon Corporation
- Darrell Duffy
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System method for selecting repeaters
- Patent number 7,796,942
- Issue date Sep 14, 2010
- Echelon Corporation
- Darrell Duffy
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for selecting repeaters
- Patent number 7,277,672
- Issue date Oct 2, 2007
- Echelon Corporation
- Darrell Duffy
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for providing transaction control on a data network
- Patent number 7,103,016
- Issue date Sep 5, 2006
- Echelon Corporation
- Darrell Duffy
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for selecting repeaters
- Patent number 6,862,430
- Issue date Mar 1, 2005
- Echelon Corporation
- Darrell Duffy
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD FOR SELECTING REPEATERS
- Publication number 20110004801
- Publication date Jan 6, 2011
- Darrell Duffy
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System method for selecting repeaters
- Publication number 20080032623
- Publication date Feb 7, 2008
- Darrell Duffy
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and method for selecting repeaters
- Publication number 20050053025
- Publication date Mar 10, 2005
- Darrell Duffy
- H04 - ELECTRIC COMMUNICATION TECHNIQUE