4. Electricity: electrical systems and devices
  5. Safety and protection of systems and devices
  6. Ground fault protection

Edward A. Harrison

Inventor

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Battery charger with capacitor support

Electricity: battery or capacitor charging or discharging – Serially connected batteries or cells – With discharge of cells or batteries
Patent

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Battery charger with standby mode

Electricity: battery or capacitor charging or discharging – Battery or cell discharging – With charging
Reexamination Certificate

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Battery charging work light

Illumination – Self powered lamp – Rechargeable electrical source of with external connections
Reexamination Certificate

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Cordless power tool system

Electricity: battery or capacitor charging or discharging – Cell or battery charger structure – For handheld device
Reexamination Certificate

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Cordless power tool system

Electricity: battery or capacitor charging or discharging – Serially connected batteries or cells – Switchable to parallel connection
Reexamination Certificate

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Profile ID: LFUS-PAI-P-593515

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