4. Railways
  5. Amusement
  6. Racing

David Brobst

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Activity-based battery monitor with a universal current...

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

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Battery monitoring method and apparatus

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

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Interactive slot car systems

Railways – Car-carried propulsion system – Electric
Patent

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Interactive slot car systems

Railways – Amusement – Racing
Patent

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Modular and reconfigurable rapid battery charger

Electricity: battery or capacitor charging or discharging – Serially connected batteries or cells
Reexamination Certificate

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Profile ID: LFUS-PAI-P-964457

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