DC

Douglas Swain Conselvan

📍 Londrina, BR: #11 of 30 inventorsTop 40%
Overall (All Time): #2,844,916 of 4,157,543Top 70%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D841452 Tube restoring device 2019-02-26