4. A - Human Necessities
  5. 47
  6. L

David Rowntree

A - Human Necessities – 47 – L

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Inventor

Country: United Kingdom

Hand-holdable vacuum cleaners

A - Human Necessities – 47 – L
Patent

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Motor, fan and filter arrangement for a vacuum cleaner

A - Human Necessities – 47 – L
Patent

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Motor, fan and filter arrangement for a vacuum cleaner

A - Human Necessities – 47 – L
Patent

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Rotating dual switching mechanism

H - Electricity – 01 – H
Patent

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Vacuum cleaner filter cleaning mechanisms

A - Human Necessities – 47 – L
Patent

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Profile ID: LFCA-PAI-P-1649761

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