PJ

Park Johnstead

📍 Portland, OR: #242 of 740 inventorsTop 35%
🗺 Oregon: #694 of 2,269 inventorsTop 35%
Overall (2003): #145,086 of 273,478Top 55%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6653589 Apparatus for welding Peter Frank Dolton 2003-11-25