DD

David H. Duncan

DG Dakota Gasification: 1 patents #1 of 5Top 20%
📍 Mandan, ND: #2 of 7 inventorsTop 30%
🗺 North Dakota: #15 of 100 inventorsTop 15%
Overall (1997): #163,984 of 185,788Top 90%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5679223 Method for separating and purifying catechol mixtures Gene G. Baker, Dana J. Maas, Kevin M. Mohl, Alfred K. Kuhn 1997-10-21