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Docking station for a portable electrical power source

Electricity: battery or capacitor charging or discharging – Cell or battery charger structure – Charging station for electrically powered vehicle
Patent

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Docking system for a self-propelled working tool

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

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Docking system for a self-propelled working tool

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

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Dual battery pack charging in a computer system

Electricity: battery or capacitor charging or discharging – Cell or battery charger structure
Patent

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Dual mount charger with inverting display

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

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Dummy battery apparatus

Electricity: battery or capacitor charging or discharging – Cell or battery charger structure – Having plug for a-c receptacle
Reexamination Certificate

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Dynamically-switched power converter

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

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