4. Motor vehicles
  5. Steered by walking attendant

Hans J. Matuschek

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Convertible self-proprelled vacuum cleaner

Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent

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Drive system

Motor vehicles – Steered by walking attendant
Patent

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Drive system

Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent

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Self-propelled vacuum cleaner having forward and reverse drive

Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent

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Profile ID: LFUS-PAI-P-383062

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