CM

Charles W. Matthews

ET Ethyl: 2 patents #14 of 77Top 20%
📍 Lakewood, CO: #1 of 65 inventorsTop 2%
🗺 Colorado: #72 of 1,224 inventorsTop 6%
Overall (1989): #30,072 of 140,708Top 25%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4870215 Phenol alkylation process Steven L. Wiker, Jeffrey F. King 1989-09-26
4870216 Phenol alkylation process Jeffrey F. King, Eric Batman 1989-09-26