SP

Stephen R. Powers

3M: 4 patents #6 of 563Top 2%
📍 Harlow, GB: #1 of 31 inventorsTop 4%
Overall (1989): #3,694 of 140,708Top 3%
4
Patents 1989

Issued Patents 1989

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4824770 Continuous tone color imaging using laser or light emitting diode sources Jonathan P. Kitchin, Keith A. Penfound, Peter J. Finn 1989-04-25
4818663 Photographic materials and color proofing system Thomas D. G. Hellings 1989-04-04
4816378 Imaging system Peter J. Finn, Michael G. Fisher 1989-03-28
4814827 Photographic color proofing apparatus Jonathan P. Kitchin, Keith A. Penfound, Peter J. Finn, Michael G. Fisher 1989-03-21