4. Beds
  5. Bedsteads
  6. Upending

T. S. MacDonald

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Countercurrent washer

Cleaning and liquid contact with solids – Apparatus – With means for collecting escaping material
Patent

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Sewage treatment system and process

Liquid purification or separation – Processes – Treatment by living organism
Patent

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Variable height pivot connector for convertible furniture

Beds – Bedsteads – Upending
Patent

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Profile ID: LFUS-PAI-P-1144909

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