KH

Kenneth E. Hjelmstad

UI US Dept of the Interior: 1 patents #132 of 508Top 30%
📍 Richfield, MN: #163 of 268 inventorsTop 65%
🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #3,902,788 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4925247 Method for particle stabilization by use of cationic polymers 1990-05-15