4. Brushing, scrubbing, and general cleaning
  5. Machines
  6. With air blast or suction

John F. Hollowell

Inventor

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Battery powered vacuum trash collector

Cleaning and liquid contact with solids – Processes – Including use of vacuum – suction – or inert atmosphere
Patent

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Battery powered vacuum trash collector

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

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Service window

Movable or removable closures – Closures interconnected for concurrent movement – Closures mounted for swinging
Patent

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Profile ID: LFUS-PAI-P-782929

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