DR

David P. Ransburg

LN L.R. Nelson: 2 patents #15 of 30Top 50%
📍 Peoria, IL: #777 of 1,769 inventorsTop 45%
🗺 Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #2,148,687 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7404415 Mechanical intermittent timer flow controller Scott Jacobs, Lawrence P. Heren, John Wisslead 2008-07-29
4646224 Sprinkler controller which computes sprinkler cycles based on inputted data Douglas C. Fletcher, Sven E. Wahlstrom 1987-02-24