JH

John Horn

HL Hedley Purvis Limited: 1 patents #1 of 2Top 50%
📍 Hillsboro, OR: #59 of 169 inventorsTop 35%
🗺 Oregon: #694 of 2,269 inventorsTop 35%
Overall (2003): #193,295 of 273,478Top 75%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6581642 Pipe testing apparatus Sandy Ritchie 2003-06-24