HP

Helmut Pelzer

HD Hp-Chemie Pelzer Research & Development: 1 patents #1 of 1Top 100%
📍 Herdecke, DE: #1 of 7 inventorsTop 15%
Overall (1997): #38,797 of 185,788Top 25%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5652415 Molded article designed to absorb airborne sound Tarik Akyol, Hans-Peter Keller, Rolf Guenzel 1997-07-29
5624619 Moulded articles with leather-like surface properties for use in the automobile industry 1997-04-29