AP

A. Duane Preston

CH Chart: 1 patents #2 of 13Top 20%
📍 New Prague, MN: #3 of 7 inventorsTop 45%
🗺 Minnesota: #1,168 of 4,231 inventorsTop 30%
Overall (2005): #243,529 of 245,428Top 100%
1
Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6851148 Carbon dioxide dry cleaning system Jon R. Turner, Charles Svoboda 2005-02-08