HF

Hidde Frankena

LB Lever Brothers: 1 patents #333 of 819Top 45%
📍 Vlaardingen, NL: #230 of 457 inventorsTop 55%
Overall (All Time): #3,904,438 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4931217 Automatic dishwashing detergent comprising quaternary ammonium salt — 1990-06-05