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Reproduction of colored images
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Patent number 4,037,249
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Issue date Jul 19, 1977
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Crosfield Electronics Limited
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Peter C. Pugsley
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Preparation of half-tone images
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Patent number 4,025,189
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Issue date May 24, 1977
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Crosfield Electronics Limited
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Peter C. Pugsley
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Screened image reproduction
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Patent number 3,997,911
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Issue date Dec 14, 1976
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Crosfield Electronics Limited
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Michael J. Perriman
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Image reproducing method
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Patent number 3,965,289
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Issue date Jun 22, 1976
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Crosfield Electronics Limited
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Peter C. Pugsley
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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