DR

David W. Roberts

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): #1,652,557 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5466851 Detergent production Amanda Jane Adams, Philip S. Jackson, Howard N. Moulden, Keith Watkin 1995-11-14
5002687 Fabric washing compositions Peter S. Sims, David William Thornthwaite 1991-03-26
4788316 Preparation of sulphonated aromatic esters David William Thornthwaite, Stephen A. Madison 1988-11-29