4. Pipe joints or couplings
  5. With assembly means or feature
  6. Particular tool-engaging means or with tool

Acorn Engineering Co.

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Activator valve for providing a timed vacuum at an output port

Fluid handling – Diverse fluid containing pressure systems – Liquid filling by evacuating container
Reexamination Certificate

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Combination lavatory basin and toilet bowl

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

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Combination lavatory basin and toilet bowl

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

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Combination lavatory basin and toilet bowl

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

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Combination lavatory basin and toilet bowl

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

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