PD

Paul D. Davisson

NI Nelson Irrigation: 1 patents #1 of 2Top 50%
📍 Walla Walla, WA: #1 of 4 inventorsTop 25%
🗺 Washington: #241 of 1,406 inventorsTop 20%
Overall (1989): #71,368 of 140,708Top 55%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4796811 Sprinkler having a flow rate compensating slow speed rotary distributor — 1989-01-10