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

Paul M. Clark

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Hose attachment structure for upright vacuum cleaner

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

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Improvement in a magnetic disk drive for balancing a disk pack a

Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Disk record
Patent

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Pneumatic reed switch

Electricity: circuit makers and breakers – Fluid pressure – Flow-responsive type
Patent

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Profile ID: LFUS-PAI-P-651372

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