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2017
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Invention
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Multipart coin blank and coin.
A coin comprising a metallic disc separated from a concentric ann... |
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2012
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Invention
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Coin blank. Coins which consist of a steel core having an electrolytic covering layer composed of... |
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Invention
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Multipart coin blank and coin. A coin blank provides an inner portion (1) and at least one outer ... |
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Invention
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Multi-part token coin having a core made of plastic. The multi-part token coin comprises an outer... |
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Invention
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Coin blank and method for the production thereof. Coins consisting of a steel core and a nickel s... |
