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For the Inventor, By the Inventor

Frankfurt, Germany

Philipp Holzman Ag


USPTO Granted Patents = 1

Forward Citations = 0

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1 inventor (with patents filed for the assignee):

goldMedal Wilfried Krabbe (1 out of 6 patents)


1 patent:

1. 4407098 - Liquid storage tank with steel-reinforced concrete exterior (1983-10-04),
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USPTO Data Jan 1 1976 - Sep 29 2026

1 Patents

#233 in Frankfurt

#15,353 in Germany

Frankfurt, DE
Frankfurt, Germany

Philipp Holzman Ag

Forward Citations = 0

1 inventor:

goldMedal Wilfried Krabbe (1 out of 6 patents)

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