OG

Olaf Ginzel

DK Dorma Gmbh + Co. Kg: 2 patents #33 of 96Top 35%
Overall (All Time): #2,216,269 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6421876 Door closer Rainer Fengler, Lars Parzanka, Roger Migchielsen 2002-07-23
D429992 Door closer Rainer Fengler 2000-08-29