DP

Douglas Petrie

📍 Cheryl Court, CA: #6 of 22 inventorsTop 30%
Overall (All Time): #3,933,502 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4850736 Servicing device for oil well rod pumps — 1989-07-25