US789557A
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Protective sheath or envelop for storage-battery plates.
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US779553A
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Protective covering for storage-battery plates.
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US756176A
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Protective sheath or envelop for storage-battery plates.
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US776480A
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Protective coating for storage-battery plates.
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US776192A
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Protective coating or covering for storage-battery plates.
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GB190301676A
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Improvements in Electrodes for Accumulators.
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GB190022019A
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Improvements in Storage Batteries
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US698039A
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Process of making plates for storage batteries.
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