LM

Leonard A. Matthews

Chevron: 1 patents #71 of 266Top 30%
📍 Port Arthur, TX: #2 of 6 inventorsTop 35%
🗺 Texas: #885 of 4,134 inventorsTop 25%
Overall (1989): #83,856 of 140,708Top 60%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4879053 Process for preparing overbased calcium sulfonates William J. Powers, III, Henry M. Przybyla, Joanne R. Whittle, Jerry C. Perciful 1989-11-07