Granted Patent
Utility
US 4,477,540 · App. 06/538,088
Metal-gas cell with electrolyte reservoir
Inventors:
Lee E. Miller, Dennis D. Carr
Patented Case
View Patent ↗
Granted: Oct 16, 1984
Filed: Oct 3, 1983
Inventors
Lee E. Miller
Dennis D. Carr
Assignee (at issue)
Eagle-Picher Industries, 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.