PS

Phillip Smith

BP British Petroleum: 1 patents #1 of 18Top 6%
Overall (1994): #81,677 of 165,921Top 50%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5376629 Oil-based drilling muds comprising a weighting agent having a siloxane or silane coating thereon 1994-12-27