4. Chemistry: electrical current producing apparatus, product, and
  5. Deferred action type
  6. Responsive to addition of liquid

Roger L. Hummel

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Liquid activated battery

Chemistry: electrical current producing apparatus – product – and – Deferred action type – Responsive to addition of liquid
Patent

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Solid state thermostatic control system for evaporative coolers

Refrigeration – Automatic control – Gas-liquid contact cooler – fluid flow
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Switching circuit

Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
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Profile ID: LFUS-PAI-P-1585030

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