Wolfgang Koehler

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Alzenau, DE

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Patents Grantslast 30 patents

Information Patent Grant
Hard solderable metal layers on ceramic
- Patent number 4,281,041
- Issue date Jul 28, 1981
- Degussa Aktiengesellschaft
- Wolfgang Koehler
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Process for pretreatment of light metals before galvanization
- Patent number 4,221,845
- Issue date Sep 9, 1980
- Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
- Wolfgang Koehler
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR