JH

John F. Helliwell

LC Lever Brothers Company, Division Of Conopco: 2 patents #191 of 625Top 35%
LB Lever Brothers: 1 patents #333 of 819Top 45%
Overall (All Time): #1,646,637 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5500152 Detergent composition 1996-03-19
5422280 Method for detecting detergent compositions for enhanced silicone deposition comprising silicone and cationic polymers Barbara Y. McFarquhar, Virgilio Barba Villa 1995-06-06
4614606 Liquid scouring compositions David Machin 1986-09-30