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Martin Berkenkopf

RF Roehm Gmbh Chemische Fabrik: 1 patents #6 of 41Top 15%
📍 Pfungstadt, DE: #3 of 11 inventorsTop 30%
Overall (1997): #111,806 of 185,788Top 65%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5656209 Process for manufacture of Fresnel lenses Volker Benz, Udo Fischer, Hans Lorenz, Michael Meier-Kaiser 1997-08-12