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PA Philipp Holzmann Ag: 1 patents #1 of 3Top 35%
📍 Ratingen, DE: #2 of 25 inventorsTop 8%
Overall (1982): #21,042 of 81,411Top 30%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4355453 Method of protecting the surfaces of concrete structures Walter Stiller 1982-10-26