Granted Patent
Utility
US 6,077,621 · App. 09/003,228
Method of forming robust metal, metal oxide, and metal alloy layers on ion-conductive polymer membranes
Inventors:
Robert J. Allen, James R. Giallombardo
Patented Case
View Patent ↗
Granted: Jun 20, 2000
Filed: Jan 6, 1998
Inventors
Robert J. Allen
James R. Giallombardo
Assignee (at issue)
De Nora S.p.A.
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.