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Franz Janssen

Goch, DE: #1 of 5 inventorsTop 20%
Overall (2004): #223,938 of 270,089Top 85%
1 Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6755592 Device for repairing underground sewers — 2004-06-29

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