4. B - Operations, Transporting
  5. 44
  6. C

John R. Lackner

B - Operations – Transporting – 44 – C

Inventor

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Details

Inventor

Country: United States Of America

Cleaning pad for vacuum cleaner

A - Human Necessities – 47 – L
Patent

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Convertible vacuum cleaner

A - Human Necessities – 47 – L
Patent

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Disposable dust bag for vacuum cleaners and the like

A - Human Necessities – 47 – L
Patent

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Drive system

A - Human Necessities – 47 – L
Patent

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Electrostatic particle filtration

B - Operations – Transporting – 03 – C
Patent

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Vacuum cleaner filter bag assembly

A - Human Necessities – 47 – L
Patent

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Vacuum cleaner multi-function interlocking switch

H - Electricity – 01 – H
Patent

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Profile ID: LFCA-PAI-P-1411366

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