DC

Davy Chum

3M: 1 patents #7,233 of 11,543Top 65%
PR Promerus: 1 patents #95 of 140Top 70%
📍 Windom, MN: #1,757 of 2,819 inventorsTop 65%
🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #3,466,964 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6677175 Optical waveguides and methods for making the same Xiao-Mei Zhao, Ramakrishna Ravikiran, Phillip S. Neal, Robert A. Shick, James E. Watson +2 more 2004-01-13