DC

Douglas Cope

UC Union Oil Company Of California: 1 patents #196 of 385Top 55%
📍 Pasay, PH: #5 of 10 inventorsTop 50%
Overall (All Time): #3,818,438 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5190664 Brine heat exchanger treatment method Darrell L. Gallup, Michael L. Barnes, Quirino S. Kolimlim, John Leong 1993-03-02