FK

Frederik J. Kerkhoven

LB Lever Brothers: 1 patents #333 of 819Top 45%
📍 Vlaardingen, NL: #230 of 457 inventorsTop 55%
Overall (All Time): #4,091,989 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4274974 Production of detergent compositions 1981-06-23