James W. Costello

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Sellerville, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Circuitry for the electrolytic coloring of anodized aluminum surfaces
- Patent number 4,992,155
- Issue date Feb 12, 1991
- Henkel Kommanditgesellschaft auf Aktien
- Dieter Brodalla
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Process for the electrolytic coloring of anodized aluminum surfaces
- Patent number 4,915,801
- Issue date Apr 10, 1990
- Henkel Kommanditgesellschaft auf Aktien
- Dieter Brodalla
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR