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CA131550A
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Machine for making cardboard
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US990080A
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Machine for manufacturing corrugated papers or cardboards.
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US810891A
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Chain-machine for the manufacture of corrugated cardboard.
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GB190412888A
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An Improved Article of Manufacture Composed of Corrugated Paper-board.
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GB190317047A
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Improvements in, and relating to Apparatus for, the Manufacture of Corrugated Cardboard
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US707183A
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Packing case or box.
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GB190205283A
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Improvements relating to Ribbed or Grooved Material for Packing Purposes.
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GB189515753A
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An Improved Packing Material.
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