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

William H. Armstrong

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Device for visual inspection of fluid flow

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

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Quick find grabber-mine recovery

Handling: hand and hoist-line implements – Underwater implement
Patent

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Roof-top air conditioner cabinet for a vehicle

Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent

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Seat pad with adjustable lumbar support

Chairs and seats – Bottom or back with means to alter contour
Patent

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Profile ID: LFUS-PAI-P-805056

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