Horst Steffen

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Geldern, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method and device for the electrochemical treatment with treatment...
- Patent number 6,071,400
- Issue date Jun 6, 2000
- Atotech Deutschland GmbH
- Rolf Schroder
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Method of producing printed circuit boards
- Patent number 4,430,154
- Issue date Feb 7, 1984
- Kollmorgen Technologies Corporation
- Fritz Stahl
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for producing printed circuit boards with punched holes havi...
- Patent number 4,374,868
- Issue date Feb 22, 1983
- Kollmorgen Technologies Corporation
- Fritz Stahl
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Process and device for the production of metal-complex compounds su...
- Patent number 4,208,255
- Issue date Jun 17, 1980
- Kollmorgen Technologies Corporation
- Fritz Stahl
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR