JB

Josef Berzen

Hoechst Gmbh: 2 patents #1,574 of 4,020Top 40%
RU Ruhrchemie: 1 patents #59 of 98Top 65%
Overall (All Time): #1,644,473 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5656686 Polyethylene molding compositions Hermann van Laak, Jens Ehlers, Meinhard Gusik 1997-08-12
5262463 Neutron-absorbing materials 1993-11-16
4345656 Striking cap lining Herbert Mrozik 1982-08-24