DP

Douglas Duane Parazoo

📍 Scio, OR: #7 of 18 inventorsTop 40%
🗺 Oregon: #17,068 of 28,073 inventorsTop 65%
Overall (All Time): #2,717,054 of 4,157,543Top 70%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10955071 Underground double wall coaxial piping system Steve Costello 2021-03-23