JR

Johannes J. M. de Ridder

LB Lever Brothers: 1 patents #333 of 819Top 45%
📍 Hilversum, NL: #134 of 289 inventorsTop 50%
Overall (All Time): #4,020,948 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4539144 Dishwashing compositions with an anti-filming polymer Michael W. Hollingsworth, Ian D. Robb 1985-09-03