JK

John E. Kiefer

Eastman Kodak: 4 patents #2,416 of 8,114Top 30%
📍 Kingsport, TN: #331 of 821 inventorsTop 45%
🗺 Tennessee: #4,555 of 20,272 inventorsTop 25%
Overall (All Time): #1,309,569 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4361493 Hydrophilic substrate for sorbing heavy metals 1982-11-30
4309186 Hydrophilic film for detection of heavy metals 1982-01-05
4280925 Filter for sorption of heavy metals 1981-07-28
4221226 Hot melt adhesive for bonding filter tow, and filter elements bonded thereby Robert C. Mumpower, II 1980-09-09