DP

Dennis Postlethwaite

LB Lever Brothers: 2 patents #183 of 819Top 25%
📍 Birkenhead, GB: #13 of 41 inventorsTop 35%
Overall (All Time): #2,363,293 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4397757 Bleaching compositions having quarternary ammonium activators Samuel C. Bright 1983-08-09
4325828 Detergent bleach compositions 1982-04-20