4. Card, picture, or sign exhibiting
  5. Display card
  6. Having a curved display panel

Douglas J. Murray

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Casing valve

Wells – Processes – Cementing – plugging or consolidating
Patent

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Cement diverter system for multilateral junctions and method...

Wells – Processes – Cementing – plugging or consolidating
Reexamination Certificate

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Combination stepladder and load lifting apparatus

Fire escape – ladder – or scaffold – Convertible
Patent

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Disappearing plug

Wells – Packers or plugs – Flow stopping type; e.g. – plug
Reexamination Certificate

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Disappearing plug

Wells – Packers or plugs – Flow stopping type; e.g. – plug
Reexamination Certificate

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Profile ID: LFUS-PAI-P-207160

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