RG

Rolf Guenzel

Overall (1997): #182,760 of 185,788Top 100%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5652415 Molded article designed to absorb airborne sound Helmut Pelzer, Tarik Akyol, Hans-Peter Keller 1997-07-29