PJ

Park Johnstead

📍 Portland, OR: #3,756 of 9,213 inventorsTop 45%
🗺 Oregon: #10,188 of 28,073 inventorsTop 40%
Overall (All Time): #1,613,091 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6653589 Apparatus for welding Peter Frank Dolton 2003-11-25
5056389 Portable open turning lathe — 1991-10-15
4658488 Drive-line puller — 1987-04-21