DW

Douglas M. Willis

Eastman Kodak: 2 patents #3,607 of 8,114Top 45%
🗺 New York: #48,759 of 115,490 inventorsTop 45%
Overall (All Time): #2,179,344 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6881840 Benzothiazine dyes for imaging elements Margaret J. Helber, John DiCillo 2005-04-19
6558888 Imaging materials containing novel benzothiazine dyes Margaret J. Helber, John DiCillo 2003-05-06