For the Inventor, By the Inventor

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Dortmund, Germany

Dortmunder Actien-brauerei

USPTO Granted Patents = 1

Trademarks = 6

Forward Citations = 4

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5 inventors (with patents filed for the assignee):

Klaus Ehrlinger (1 out of 4 patents)

Roland Kruger (1 out of 3 patents)

Heinz Ladwig (1 out of 1 patent)

4. Ludwig Wiegleb (1 out of 1 patent)

5. Erhard Wolter (1 out of 1 patent)

1 patent: Sort by Forward Citations

1. 4376109 - Process and apparatus for disposal of noxious vapors emanating from wort (1983-03-08),

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USPTO Data Jan 1 1976 - Dec 16 2025

1 Patents

#98 in Dortmund

#15,158 in Germany

Dortmund, Germany

Dortmunder Actien-brauerei

Forward Citations = 4

5 inventors:

Klaus Ehrlinger (1 out of 4 patents)

Roland Kruger (1 out of 3 patents)

Heinz Ladwig (1 out of 1 patent)

4. Ludwig Wiegleb (1 out of 1 patent)

5. Erhard Wolter (1 out of 1 patent)

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