DH

DeWayne A. High

📍 Portland, OR: #99 of 366 inventorsTop 30%
🗺 Oregon: #335 of 1,309 inventorsTop 30%
Overall (1997): #48,072 of 185,788Top 30%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5590739 Adjustable extension stepladder Timm J. Timmermann 1997-01-07