ML

Marshall Glenn Letts

Shell Oil Compny: 1 patents #2,223 of 4,423Top 55%
📍 Corunna, CA: #7 of 19 inventorsTop 40%
Overall (All Time): #3,303,221 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7799206 Method of producing a pipelineable blend from a heavy residue of a hydroconversion process Franciscus Gondulfus Antonius Van Den Berg, Scott John Fryer, Michael Robert Margerum, William James Power, Oscar Kui Yin Sy +1 more 2010-09-21