4. Electricity: measuring and testing
  5. Electrolyte properties
  6. Using a battery testing device

Leonard Liebermann

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Electronic weighing device

Weighing scales – Self-positioning – Electrical current generating or modifying
Patent

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Gaseous impurity detector employing corona discharge phenomenon

Communications: electrical – Condition responsive indicating system – Specific condition
Patent

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Refrigerant impurity analyzer

Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
Patent

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Storage battery condition tester utilizing low load current

Electricity: measuring and testing – Electrolyte properties – Using a battery testing device
Patent

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Profile ID: LFUS-PAI-P-1101761

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