4. Sales and advertising equipment
  5. Signs or display forms
  6. Card type

Richard G. Lewis

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Display card holder

Supports – Easel; book – copy or music score holder – With adjustable inclination
Patent

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Display card holder

Sales and advertising equipment – Signs or display forms – Card type
Patent

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Dual action valve including at least two pressure responsive mem

Wells – Processes – Operating valve – closure – or changeable restrictor in a well
Patent

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Illuminated display sign apparatus

Illumination – Housing – Frame with multiple light-transmitting panels
Patent

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RCC dam construction and method

Hydraulic and earth engineering – Fluid control – treatment – or containment – Flow control
Patent

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Profile ID: LFUS-PAI-P-849556

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