Dirk Naumann

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Essen-Kupferdreh, DE

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Patents Grantslast 30 patents

Information Patent Grant
Preparation and method for coating glass vessels
- Patent number 5,330,570
- Issue date Jul 19, 1994
- Th. Goldschmidt AG
- Joachim Giersberg
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Preparation and method for coating glass vessels
- Patent number 5,314,534
- Issue date May 24, 1994
- Th. Goldschmidt AG
- Joachim Giersberg
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method for the preparation of finely divided, electrically conducti...
- Patent number 5,116,468
- Issue date May 26, 1992
- Th. Goldschmidt AG
- Joachim Giersberg
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR