PH

Philip L. Hermans

DN Dredging International N.V.: 1 patents #6 of 12Top 50%
📍 Antwerpen, BE: #52 of 96 inventorsTop 55%
Overall (All Time): #3,652,337 of 4,157,543Top 90%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5915885 Method for vertical displacement of masses underneath the earth's surface Ronald W. Van Oostrum 1999-06-29