Darren A. O'Rourke

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Wellsville, KS, US

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Patents Grantslast 30 patents

Information Patent Grant
Landscaping wall structure and form
- Patent number 8,136,325
- Issue date Mar 20, 2012
- David P. Van Lerberg
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
LANDSCAPING WALL STRUCTURE AND FORM
- Publication number 20120199721
- Publication date Aug 9, 2012
- David P. Van Lerberg
- B28 - WORKING CEMENT, CLAY, OR STONE