Stevenage, Hertfordshire SG1 4QN, US
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Patent Grant
Du Pont-Howson Limited
Michael Ingham
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Grant
Du Pont-Howson Limited
David E. Murray
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Grant
Du Pont-Howson Limited
Rodney M. Potts
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Trademark
Du Pont Howson Ltd.
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
