4. Land vehicles
  5. Skates
  6. Wheeled skate

David N. Mitchell

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Aluminium reduction cell

Chemistry: electrical and wave energy – Apparatus – Electrolytic
Patent

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Aluminium reduction cells

Chemistry: electrical and wave energy – Apparatus – Electrolytic
Patent

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Apparatus for slowing or stopping a roller skate and methods

Land vehicles – Skates – Wheeled skate
Patent

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Ground engaging movable skate brake

Land vehicles – Skates – Wheeled skate
Patent

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Ground engaging movable skate brake

Land vehicles – Skates – Wheeled skate
Patent

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Profile ID: LFUS-PAI-P-146873

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