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

Robert D. Hennessey

Inventor

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Damage resistant recirculation flap

Brushing – scrubbing – and general cleaning – Machines – Brushing
Patent

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Dust control for power floor treating apparatus

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

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Hopper and filter chamber for direct forward throw sweeper

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

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No-tool brush changing means

Brushing – scrubbing – and general cleaning – Machines – Brushing
Patent

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Sweeper

Machines not elsewhere specified – Textile – sewing – knitting and embroidering machine – Sewing machine
Patent

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Profile ID: LFUS-PAI-P-35338

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