DH

Daniel H. Hutchinson

SP Shell Western E & P: 2 patents #1 of 35Top 3%
Overall (All Time): #2,315,312 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5040470 Steam generating system with NO.sub.x reduction Ruth E. Lofton, Dale E. Robinson 1991-08-20
5002484 Method and system for flue gas recirculation Ruth E. Lofton, Dale E. Robinson 1991-03-26