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Roger Dolan

Lisbon, IA: #1 of 2 inventorsTop 50%
Iowa: #89 of 549 inventorsTop 20%
Overall (1989): #63,833 of 140,708Top 50%
1 Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

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

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