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United States Utility Patents
4,076,900 - 4,076,909

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NumberTitle
4,076,900 Sodium-sulphur type electric cell
4,076,901 High-temperature method of operating a lead-acid cell
4,076,902 Sodium-sulfur storage battery
4,076,903 Alkali metal-sulphur cells
4,076,904 Solid state photogalvanic device utilizing sea water as an electrolyte
4,076,905 Electrode for electrical energy storage device
4,076,906 Apparatus for indicating battery cell condition
4,076,907 Paper-lined dry cell batteries without smears
4,076,908 Pole bolt seal for storage batteries
4,076,909 Alkaline lead battery



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