FP

Frank E. Parsen

DU Duracell: 5 patents #24 of 239Top 15%
DI Duracell International: 2 patents #8 of 30Top 30%
Overall (All Time): #768,887 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4840644 Cell corrosion reduction Purush Chalilpoyil, Chih-Chung Wang 1989-06-20
4777100 Cell corrosion reduction Purush Chalilpoyil, Chih-Chung Wang 1988-10-11
4585716 Cell corrosion reduction Purush Chalilpoyil, Jesse R. Rea, Chih-Chung Wang 1986-04-29
4377625 Corrosion and hydrogen evolution inhibitors for current-producing cells having zinc anodes Eleanor J. Rossler 1983-03-22
4350745 Electrochemical cells having hydrogen gas absorbing agent Thomas Yatabe 1982-09-21
4332870 Cell having a gelled anode containing a polyhydric alcohol Teresita O. Graham 1982-06-01
4288913 Method of forming in situ gelled anode Teresita O. Graham 1981-09-15