Granted Patent
Utility
US 5,989,741 · App. 09/093,319
Electrochemical cell system with side-by-side arrangement of cells
Inventors:
David P. Bloomfield, Shoibal Banerjee, Olga Polevaya, James J. Ferris
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: Jun 8, 1998
Inventors
David P. Bloomfield
Shoibal Banerjee
Olga Polevaya
James J. Ferris
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND COMPANY
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.