WJ

Wm. Ralph Johnson

📍 Coppell, TX: #234 of 495 inventorsTop 50%
🗺 Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #2,234,681 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6024127 Down spout clean out adapter — 2000-02-15
5836716 Drainage pipe Raymond Ford Johnson 1998-11-17