Granted Patent
Utility
US 5,665,481 · App. 08/557,440
Metal-air battery
Inventors:
Nicholas Shuster, Harvey N. Seiger, Daniel J. Spak, David E. Harney
Patented Case
View Patent ↗
Granted: Sep 9, 1997
Filed: Nov 14, 1995
Inventors
Nicholas Shuster
Harvey N. Seiger
Daniel J. Spak
David E. Harney
Assignee (at issue)
NORTHROP GRUMMAN CORPORATION
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.