GUY LEGRIS

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SUDBURY, CA

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulic rock fracturing device
- Patent number 10,233,754
- Issue date Mar 19, 2019
- 2516139 ONTARIO INC.
- Guy Legris
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
HYDRAULIC ROCK FRACTURING DEVICE
- Publication number 20170342833
- Publication date Nov 30, 2017
- GUY LEGRIS
- E21 - EARTH DRILLING MINING