4. Chemistry: electrical current producing apparatus, product, and
  5. Having disparate nonelectrical function

John M. Evjen

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Air heating and cooling system for aircraft batteries

Chemistry: electrical current producing apparatus – product – and – Having disparate nonelectrical function
Patent

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Support means for plug-in transformer/charger

Electricity: battery or capacitor charging or discharging – Serially connected batteries or cells – With discharge of cells or batteries
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Profile ID: LFUS-PAI-P-1067462

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