WK

Walter Kuehhirt

EA E.I. Du Pont De Nemours And: 2 patents #2,942 of 8,010Top 40%
Overall (All Time): #2,195,854 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6811667 Cathodic electrodeposition coating agents containing bismuth complexes, preparation and use thereof Ulrich Hermann, Rudolf Schipfer 2004-11-02
6368719 Process for preparing multi-layer coatings on automotive bodies or automotive body parts Ludwig Siever, Klausjoerg Klein, Karl-Friedrich Doessel 2002-04-09