-
Living wave barrier
-
Patent number 9,339,017
-
Issue date May 17, 2016
-
David Walter
-
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
-
Marine line form habitat
-
Patent number 7,827,937
-
Issue date Nov 9, 2010
-
David Walter
-
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
-
-
Artifical barrier reef
-
Patent number 6,824,327
-
Issue date Nov 30, 2004
-
David M Walter
-
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
-
Concrete and tire artificial reef
-
Patent number 6,042,300
-
Issue date Mar 28, 2000
-
David M Walter
-
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING