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2015
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Invention
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Laser-induced metallic surface colouration processes, metallic nanoscale structures resulting the... |
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2013
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Invention
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System and method for reducing giveaway material on mint products. A machine and method for reduc... |
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Invention
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Unique identification of coin or other object. A method of producing an authenticatable article. ... |
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2012
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Invention
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Zincating aluminum. A method of treating aluminum or aluminum alloy includes providing an aluminu... |
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Invention
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Control of electromagnetic signals of coins through multi-ply plating technology. The present inv... |
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2011
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Invention
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Method to produce golden bronze by diffusion of tin into copper under controlled conditions.
The... |
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Invention
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Method to produce golden bronze by diffusion of tin into copper under controlled conditions. The ... |
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2008
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Invention
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Method for recovering nitric acid and purifying silver nitrate electrolyte. A processes for the r... |
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2006
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G/S
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2004
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Invention
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Method of printing an image on a metallic surface, particularly on a coin surface. A method of pr... |
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2002
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G/S
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Gold, silver and other precious metal coins and medals. Sale of coins and medals. Production of c... |
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1998
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Invention
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Method of making bimetallic coins or blanks. A bimetallic coin or blank is produced from a disc-s... |
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1997
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G/S
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Gold, silver and other precious metal coins and medals. Production and sale of coins and medals; ... |
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1996
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Invention
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Method of making bi-metallic coins or blanks. A bi-metallic coin (10) or blank is produced from a... |
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1991
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Invention
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Coins coated with nickel, copper and nickel and process for making such coins. This invention ove... |
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Invention
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Coins coated with nickel, copper and nickel. This invention overcomes problems such as pinholes a... |
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1990
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Invention
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Recovery of silver values from chlorides including silver chloride. This invention relates to the... |
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1985
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G/S
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All public relations and advertising materials. |
