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| Number | Title | Issue Date |
| 5554452 | Metal-air batteries having improved air access valves A prismatic metal-air battery is provided for having at least one prismatic metal-air cell received in a cell cavity of a prismatic casing. The casing comprises a wall portion which defines a surface. The wall portion has at least one opening in communica... | 09/10/1996 |
| 5458988 | Metal-air-cells having improved anode assemblies The subject invention provides for a prismatic zinc-air cell comprising a prismatic container, an air cathode, and an anode assembly. The prismatic container has one or more oxygen access openings, and the air cathode is disposed in the container in gaseo... | 10/17/1995 |
| 5328778 | Metal-air cells comprising collapsible foam members and means for minimizing internal pressure buildup This invention provides a prismatic zinc-air cell including, in general, a prismatic container having therein an air cathode, a separator and a zinc anode. The container has one or more oxygen access openings, and the air cathode is disposed in the contai... | 07/12/1994 |
