York A. Wahrendorf

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Brunswick, DE

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Patents Grantslast 30 patents

Information Patent Grant
Earth retaining wall of vertically stacked chevron shaped concrete...
- Patent number 4,193,718
- Issue date Mar 18, 1980
- SF-Vollverbundstein-Kooperation GmbH
- York A. Wahrendorf
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING