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Ralph Friedrich

AIAmeron International: 1 patents #1 of 2Top 50%
Sindelfingen, CA: #1 of 1 inventorsTop 100%
Overall (2004): #134,928 of 270,089Top 50%
1 Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6737134 Abrasion resistant pipe Colin HULL 2004-05-18

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