GT

Gerald E. Tollefsen

AR Atlantic Richfield: 3 patents #189 of 1,061Top 20%
📍 Calumet City, IL: #12 of 82 inventorsTop 15%
🗺 Illinois: #26,653 of 84,256 inventorsTop 35%
Overall (All Time): #1,682,139 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4466883 Needle coke process and product Daniel B. Eickemeyer, Maurice K. Rausch 1984-08-21
4263127 White oil process Maurice K. Rausch, Daniel B. Eickemeyer 1981-04-21
4251347 White mineral oil made by two stage hydrogenation Maurice K. Rausch, Henry Erickson, by Doris Erickson, executor, Thomas W. Kelly 1981-02-17