DB

David R. Baughman

FR Freeport-Mcmoran: 1 patents #6 of 23Top 30%
📍 Golden, CO: #33 of 99 inventorsTop 35%
🗺 Colorado: #1,055 of 3,647 inventorsTop 30%
Overall (2011): #325,886 of 364,097Top 90%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8012318 Process for multiple stage direct electrowinning of copper John O. Marsden, Robert E. Brewer, Susan R Brewer, Joanna M. Robertson, Philip Thompson +2 more 2011-09-06