RD

Roger Dolan

📍 Lisbon, IA: #12 of 23 inventorsTop 55%
🗺 Iowa: #8,735 of 15,303 inventorsTop 60%
Overall (All Time): #3,924,976 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4819585 Freeze resistant adjustable flow rate animal nipple waterer Clifford Streed 1989-04-11