GB191314632A
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Improvements in or relating to a Process of Manufacturing Opaque or Clouded Enamels.
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GB191029376A
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Improvements in and relating to the Treatment of Metal for the Production of Sound Castings.
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US1065855A
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Process of manufacturing alloys.
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US982326A
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Process of producing sound metal castings.
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US1001789A
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Process of rendering vitreous compounds turbid.
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US899581A
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Method of producing solid hard pieces from pulverulent material of any origin.
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GB190517844A
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Improved Method of Producing Solid, Hard Pieces from Pulverulent Material of Any Origin.
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GB189614113A
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Bricks for Flat and Cylindrical Structures.
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