Bill O'Brien

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North York, CA

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Patents Grantslast 30 patents

Information Patent Grant
Device, system and method for locating a pipe
- Patent number 8,674,678
- Issue date Mar 18, 2014
- Enbridge Gas Distribution Inc.
- Tae-Joon Hwang
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Device, System and Method for Locating a Pipe
- Publication number 20140145705
- Publication date May 29, 2014
- ENBRIDGE GAS DISTRIBUTION INC.
- Tae-Joon Hwang
- G01 - MEASURING TESTING
Information Patent Application
Device, System and Method For Locating a Pipe
- Publication number 20120006116
- Publication date Jan 12, 2012
- Tae-Joon HWANG
- G01 - MEASURING TESTING