HJ

Hermanus Jongkind

Shell Oil Compny: 1 patents #81 of 268Top 35%
Overall (1994): #127,406 of 165,921Top 80%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5294429 Crystalline aluminophosphates Bettina Kraushaar-Czarnetzki, Ronald Jan Dogterom 1994-03-15