Chunning Zhang

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Santa Clara, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
System and method for locating underground lines using motion based...
- Patent number 10,732,313
- Issue date Aug 4, 2020
- Metrotech Corporation
- Chunning Zhang
- G01 - MEASURING TESTING
Information Patent Grant
Line locator with a metal detector
- Patent number 9,733,379
- Issue date Aug 15, 2017
- METROTECH CORPORATION
- Stevan Polak
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD FOR LOCATING UNDERGROUND LINES USING MOTION BASED...
- Publication number 20160377760
- Publication date Dec 29, 2016
- Metrotech Corporation
- Chunning ZHANG
- G01 - MEASURING TESTING
Information Patent Application
LINE LOCATOR WITH A METAL DETECTOR
- Publication number 20150369942
- Publication date Dec 24, 2015
- Vivax-Metrotech
- Stevan Polak
- G01 - MEASURING TESTING