TR

Thomas J. Retka

UI US Dept of the Interior: 1 patents #132 of 508Top 30%
📍 Lakeville, MN: #334 of 513 inventorsTop 70%
🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #4,089,260 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4266830 Auger construction providing reduced noise Donald W. Schoen 1981-05-12