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Stephan Wrage
HAMBURG, DE US
1. 20090266283 Placement system for a flying kite-type wind-attacked element in a wind-powered watercraft 10-29-20092. 20090212574 Positioning device for a free-flying kite-type wind-attacked element in a wind-powered watercraft 08-27-2009
3. 20090071388 Watercraft having a kite-like element - water craft comprising a kite element, which is connected to the water craft by a traction cable 03-19-2009