DH

David A. Hallbery

Eastman Kodak: 2 patents #199 of 1,220Top 20%
📍 Wembley, GB: #1 of 4 inventorsTop 25%
Overall (1994): #36,118 of 165,921Top 25%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5322759 Photographic donor material with non-photosensitive silver halide layer useful in a silver salt diffusion transfer process Anthony M. Barnett, Roger J. Owers 1994-06-21
5308746 Silver image bleaching solution and process Anthony M. Barnett, Colin Gray, Jeffrey K. Green, Julie Baker 1994-05-03