TERRA VENT SYSTEMS INC

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VICTORIA, CA

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Patents Grantslast 30 patents

Information Patent Grant
Radon gas mitigation systems and apparatus
- Patent number 10,060,121
- Issue date Aug 28, 2018
- Terra Vent Systems Inc.
- Randi Fox
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Radon gas mitigation systems and apparatus
- Patent number 9,803,356
- Issue date Oct 31, 2017
- Terra Vent Systems Inc.
- Randi Fox
- B08 - CLEANING

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Patents Applicationslast 30 patents

Information Patent Application
RADON GAS MITIGATION SYSTEMS AND APPARATUS
- Publication number 20180030719
- Publication date Feb 1, 2018
- Terra Vent Systems Inc.
- Randi FOX
- B08 - CLEANING