4. Metal working
  5. Method of mechanical manufacture
  6. Electrical device making

Alexander Kaplan

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Air recovery battery

Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Reexamination Certificate

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Air recovery battery

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Cell enclosure structure – e.g. – housing – casing – container,...
Reexamination Certificate

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Air recovery battery

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Cell enclosure structure – e.g. – housing – casing – container,...
Reexamination Certificate

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Battery

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Intracell assembly having cell electrode connector
Reexamination Certificate

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Battery with integrated voltage converter

Electricity: battery or capacitor charging or discharging – Battery or cell discharging – Regulated discharging
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Profile ID: LFUS-PAI-P-917558

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