HR

Harold L. Rothi

IR Independent Natural Resources: 1 patents #1 of 3Top 35%
📍 Otsego, MN: #4 of 10 inventorsTop 40%
🗺 Minnesota: #1,999 of 5,843 inventorsTop 35%
Overall (2011): #290,826 of 364,097Top 80%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7952218 Buoyancy pump power system Kenneth W. Welch, Jr., Curtis J. Rothi 2011-05-31