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

Ronald W. Lehman

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Filter system for mobile debris collection machine

Gas separation – Plural serial basically diverse separating media – Plural stages in unitary casing
Reexamination Certificate

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Increased litter storage for vacuum trash collector

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

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Retractable broom and dust skirt

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

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Vacuum powered scrub head

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

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Profile ID: LFUS-PAI-P-1012447

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