DS

David Swenson

HS Harbor Steel & Supply: 3 patents #1 of 7Top 15%
📍 Iron River, MI: #84 of 361 inventorsTop 25%
🗺 Michigan: #22,048 of 86,293 inventorsTop 30%
Overall (All Time): #1,125,452 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11614354 Dipstick and electronic fluid level sensor Timothy R. Klein, John Wesley Clark, Michael Jay Strait 2023-03-28
6991306 Carrousel file Gary L. Kersting, Sr. 2006-01-31
6951374 Carrousel file cabinet 2005-10-04
6588865 Carrousel file cabinet Robert Caldwell, Charles B. Carter, David Kersjes, Gardner Klaasen 2003-07-08