DOUG DENNING

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Richland, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Rapid deployment oil recovery apparatus
- Patent number 9,309,640
- Issue date Apr 12, 2016
- Doug Denning
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
RAPID DEPLOYMENT OIL RECOVERY APPARATUS
- Publication number 20150197906
- Publication date Jul 16, 2015
- DOUG DENNING
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING