San Rafael, California
United States
3
2014-09-18
The entities that hold a legal rights for patent applications filed by inventor Mitchell David S.:
David S. Mitchell from San Rafael, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Heavy oil hydrocracking process
#2 | 2012-05-17Two-stage, close-coupled, dual-catalytic heavy oil hydroconversion process
#3 | 2012-03-22Two-stage, close-coupled, dual-catalytic heavy oil hydroconversion process
2956860 ⎘