MH

Margaret J. Helber

Eastman Kodak: 1 patents #397 of 1,062Top 40%
🗺 New York: #1,999 of 7,187 inventorsTop 30%
Overall (1997): #110,380 of 185,788Top 60%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5695917 Combination of yellow filter dye and 4-equivalent pyrazolone magenta coupler John V. Nelson, Mary Christine Brick 1997-12-09