DM

David A. Matkin

BL British-American Tobacco (Holdings) Limited: 1 patents #53 of 101Top 55%
SL Stiefel Laboratories: 1 patents #12 of 39Top 35%
Overall (All Time): #1,633,318 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5895642 Pseudocatalase activity Colin Sanders, Neale C. Wareham 1999-04-20
5646324 Zinc glycerolate manufacture Dennis C. Renshaw, Anthony R. Harrison 1997-07-08
4363333 Tobacco-smoke filters 1982-12-14