DK

David F. Kopperl

Eastman Kodak: 2 patents #3,607 of 8,114Top 45%
🗺 New York: #48,759 of 115,490 inventorsTop 45%
Overall (All Time): #2,203,957 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6586756 Apparatus including sulfur bulb for accelerating fading of light sensitive materials Howard C. Brayman 2003-07-01
5215192 Method for improving the archival properties of processed photographic film in a storage assembly for achieving the same Arunachalam T. Ram, Carl F. Holtz, Richard C. Sehlin 1993-06-01