RH

Richard Hetmann

Dr. Ing. H.C. F. Porsche Ag: 2 patents #722 of 2,421Top 30%
📍 Tamm, DE: #75 of 166 inventorsTop 50%
Overall (All Time): #2,346,771 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4571884 Arrangement for lowering and lifting of a window of a motor vehicle door Hermann Ziegler 1986-02-25
4225008 Theft-proof system for motor vehicles Hans Colell 1980-09-30