PC

Philip Cowan

📍 Vancouver, WA: #12 of 36 inventorsTop 35%
🗺 Washington: #241 of 1,406 inventorsTop 20%
Overall (1989): #68,990 of 140,708Top 50%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4842444 Method for displacing oxygen from a mine — 1989-06-27