Granted Patent
Utility
US 5,324,848 · App. 08/029,444
Vanadium phosphate materials
Inventors:
Robert C. Haushalter, Victoria Soghomonian, Jon Zubieta
Patented Case
View Patent ↗
Granted: Jun 28, 1994
Filed: Mar 11, 1993
Inventors
Robert C. Haushalter
Victoria Soghomonian
Jon Zubieta
Assignee (at issue)
NEC Research Institute, Inc.
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.