DD

Dianne Elizabeth Duff

📍 Fox Creek, CA: #1 of 3 inventorsTop 35%
Overall (All Time): #4,143,888 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10450498 Heavy oil modification and productivity restorers Christy Lee Dewalt 2019-10-22