JD

Joseph E. Drapcho

📍 Waconia, MN: #72 of 161 inventorsTop 45%
🗺 Minnesota: #23,881 of 52,454 inventorsTop 50%
Overall (All Time): #2,244,799 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6163991 Machine-foldable display having superimposed, spaced-apart image panels Gregory M. Proulx 2000-12-26
5778578 View-changing display Gregory M. Proulx 1998-07-14