ZZ

Zhenfeng Zhang

UN Unknown: 1 patents #206 of 2,107Top 10%
Overall (1997): #53,291 of 185,788Top 30%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5597602 Process for de-oiling crude lecithin Siegfried Peter, Bernd Czech, Eckard Weidner 1997-01-28