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Cologne, Germany

Gerhard Collardin Gesellschaft MIT Beschraenkter Haftung

USPTO Granted Patents = 1

Forward Citations = 0

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2 inventors (with patents filed for the assignee):

Reinhard Opitz (1 out of 6 patents)

Heinz Portz (1 out of 2 patents)

1 patent: Sort by Forward Citations

1. 4707193 - Method for activating metal surfaces prior to zinc phosphation (1987-11-17),

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USPTO Data Jan 1 1976 - Jan 6 2026

1 Patents

#166 in Cologne

#15,124 in Germany

Cologne, Germany

Gerhard Collardin Gesellschaft MIT Beschraenkter Haftung

Forward Citations = 0

2 inventors:

Reinhard Opitz (1 out of 6 patents)

Heinz Portz (1 out of 2 patents)

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