DS

David K. Schmalzer

TM The Pittsburg & Midway Coal Mining: 3 patents #1 of 8Top 15%
📍 Englewood, CO: #2 of 30 inventorsTop 7%
🗺 Colorado: #15 of 721 inventorsTop 3%
Overall (1982): #5,360 of 81,411Top 7%
3
Patents 1982

Issued Patents 1982

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4364817 Method for controlling boiling point distribution of coal liquefaction oil product Raymond P. Anderson, Charles H. Wright 1982-12-21
4330388 Short residence time coal liquefaction process including catalytic hydrogenation Raymond P. Anderson, Charles H. Wright 1982-05-18
4328088 Controlled short residence time coal liquefaction process Raymond P. Anderson, Charles H. Wright 1982-05-04