DE
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Patent Grant
Hoechst Diafoil GmbH
Herbert Peiffer
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Patent Grant
Hoechst Diafoil GmbH
Herbert Peiffer
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Patent Grant
Hoechst Diafoil GmbH
Uwe Zimmermann
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Patent Grant
Hoechst Diafoil GmbH
Herbert Peiffer
B32 - LAYERED PRODUCTS
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Patent Grant
Hoechst Diafoil GmbH
Harald Mueller
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Patent Grant
Hoechst Diafoil Company
Kathleen L. Trojan
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Patent Grant
Hoechst Diafoil Company
Stephen J. Gust
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
