JL

John K. Litchfield

KC Kennecott Copper: 3 patents #1 of 25Top 4%
KH Kennecott Holdings: 2 patents #21 of 138Top 20%
UF US Air Force: 1 patents #6,190 of 16,312Top 40%
📍 Bedford, MA: #171 of 774 inventorsTop 25%
🗺 Massachusetts: #17,885 of 88,656 inventorsTop 25%
Overall (All Time): #765,359 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5495979 Metal-bonded, carbon fiber-reinforced composites Suri A. Sastri, J. Paul Pemsler, Richard A. Cooke, Mark B. Smith 1996-03-05
5151262 Pyrite cathode material for a thermal battery J. Paul Pemsler 1992-09-29
4339348 Dioxime ion exchangers Ralph W. M. Lai 1982-07-13
4301124 Cobalt solvent extraction with dioxime ion exchangers Ralph W. M. Lai 1981-11-17
4248837 Solvent extraction of copper, nickel with methyl hexyl dioxime Ralph W. M. Lai 1981-02-03
4211753 Recovery of molybdenum values from dilute solutions J. Paul Pemsler 1980-07-08
4197117 Recovery of copper by ferrous ion precipitation J. Paul Pemsler 1980-04-08