Norbert Klein

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Wiesbaden, DE

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for pre-shaping plasticated plastics material
- Patent number 5,378,136
- Issue date Jan 3, 1995
- Hoechst Aktiengesellschaft
- Jurgen Henning
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Photopolymerizable recording roll material with end caps
- Patent number 4,698,292
- Issue date Oct 6, 1987
- Hoechst Aktiengesellschaft
- Manfred Hilger
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY