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Marius Otto Winkelman
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Nijkerk, NL
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Patents Grants
last 30 patents
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Patent Grant
Dredge vessel system
Patent number
9,297,142
Issue date
Mar 29, 2016
DAMEN DREDGING EQUIPMENT B.V.
Marius Otto Winkelman
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Patents Applications
last 30 patents
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Patent Application
A DREDGE VESSEL SYSTEM
Publication number
20120198733
Publication date
Aug 9, 2012
DAMEN DREDGING EQUIPMENT B.V.
Marius Otto Winkelman
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT