DC

Donald E. Cadwell

3M: 4 patents #3,441 of 11,543Top 30%
📍 Windom, MN: #813 of 2,819 inventorsTop 30%
🗺 Minnesota: #15,886 of 52,454 inventorsTop 35%
Overall (All Time): #1,306,009 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4687729 Lithographic plate Larry A. Brey 1987-08-18
4542089 Lithographic substrate and its process of manufacture Larry A. Brey 1985-09-17
4457971 Lithographic substrate and its process of manufacture Larry A. Brey 1984-07-03
4420549 Lithographic substrate and its process of manufacture 1983-12-13