DC

Douglas D. Callander

Shell Oil Compny: 2 patents #26 of 228Top 15%
📍 Akron, OH: #25 of 141 inventorsTop 20%
🗺 Ohio: #519 of 4,576 inventorsTop 15%
Overall (1997): #42,091 of 185,788Top 25%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5612423 Process for manufacturing polyester copolymers containing terephthalate and naphthalate units Eugene J. Burkett, Joseph Galko, Edwin A. Sisson 1997-03-18
5594092 Process for manufacturing polyester copolymers Eugene J. Burkett, Joseph Galko, Edwin A. Sisson 1997-01-14