4. Environmental heating and cooling; fluid handling and sanitary e
  5. Fluid handling or treatment equipment
  6. Fitting

Michael A. Bertelson

Attorney

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Attorney

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Devices and methods for twisting yarn

Textiles: spinning – twisting – and twining – Apparatus and processes – Web material
Reexamination Certificate

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Heat pump for swimming pools

Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Liquid immersion type – e.g. – aquarium – swimming pool – etc.
Design Patent

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Hose cuff

Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Fitting
Design Patent

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Lenses and uses, including microscopes

Optical: systems and elements – Compound lens system – Microscope
Reexamination Certificate

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pH regulator

Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Design Patent

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Profile ID: LFUS-PAI-P-2191372

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