HA

Heinz Andrzejewski

DL Draftex Industries Limited: 4 patents #4 of 54Top 8%
DA Draftex Development A.G.: 2 patents #3 of 7Top 45%
📍 Viersen, DE: #22 of 157 inventorsTop 15%
Overall (All Time): #885,197 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6082048 Sealing, trimming or guiding strips Heinz-Peter Backes 2000-07-04
5839232 Sealing or guiding assemblies Heinz-Peter Backes 1998-11-24
5699603 Sealing or guiding assemblies and methods of making them Heinz-Peter Backes 1997-12-23
5038521 Sealing strips Helmut Ginster 1991-08-13
4343121 Window glass mounting arrangements Werner Kruschwitz 1982-08-10
4271634 Channel-shaped sealing strips 1981-06-09