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Wolfgang Bretz
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Iserlohn, DE
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Patents Grants
last 30 patents
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Patent Grant
Coin and method for producing a coin
Patent number
9,241,548
Issue date
Jan 26, 2016
Wickeder Westfalenstahl GmbH
Wolfgang Bretz
B44 - DECORATIVE ARTS
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last 30 patents
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Patent Application
Coin and method for producing a coin
Publication number
20140345173
Publication date
Nov 27, 2014
Wolfgang Bretz
B44 - DECORATIVE ARTS