WB

Walter Bernaschek

EA E.I. Du Pont De Nemours And: 2 patents #2,942 of 8,010Top 40%
📍 Beckum, DE: #32 of 123 inventorsTop 30%
Overall (All Time): #2,208,568 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6660377 Multilobal hollow filament carpet yarn having stiffening ribs and stiffening webs and spinneret for producing the same 2003-12-09
6447903 Multilobal hollow filaments having stiffening ribs and stiffening webs 2002-09-10